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212000222152 = 232983891031201
BaseRepresentation
bin1100010101110000110…
…0101010101111001000
3202021012122211010120201
43011130030222233020
511433134024102102
6241220324301544
721213364104265
oct3053414525710
9667178733521
10212000222152
11819aa664774
12351065418b4
1316cb7530b44
14a391b5a26c
1557abc3a987
hex315c32abc8

212000222152 has 128 divisors (see below), whose sum is σ = 425277216000. Its totient is φ = 98922700800.

The previous prime is 212000222101. The next prime is 212000222153. The reversal of 212000222152 is 251222000212.

It is a super-2 number, since 2×2120002221522 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212000222153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176519152 + ... + 176520352.

It is an arithmetic number, because the mean of its divisors is an integer number (3322478250).

Almost surely, 2212000222152 is an apocalyptic number.

It is an amenable number.

212000222152 is an abundant number, since it is smaller than the sum of its proper divisors (213276993848).

212000222152 is a wasteful number, since it uses less digits than its factorization.

212000222152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 212000222152 its reverse (251222000212), we get a palindrome (463222222364).

The spelling of 212000222152 in words is "two hundred twelve billion, two hundred twenty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 29 58 83 89 103 116 166 178 206 232 332 356 412 664 712 824 1201 2402 2407 2581 2987 4804 4814 5162 5974 7387 8549 9167 9608 9628 10324 11948 14774 17098 18334 19256 20648 23896 29548 34196 34829 36668 59096 68392 69658 73336 99683 106889 123703 139316 199366 213778 214223 247406 247921 265843 278632 398732 427556 428446 494812 495842 531686 760861 797464 855112 856892 989624 991684 1063372 1521722 1713784 1983368 2126744 2890807 3043444 3099781 3587387 5781614 6086888 6199562 7174774 8871787 10267349 11009567 11563228 12399124 14349548 17743574 20534698 22019134 22064969 23126456 24798248 28699096 35487148 41069396 44038268 44129938 70974296 82138792 88076536 88259876 176519752 257281823 297753121 319277443 514563646 595506242 638554886 913794061 1029127292 1191012484 1277109772 1827588122 2058254584 2382024968 2554219544 3655176244 7310352488 26500027769 53000055538 106000111076 212000222152