Search a number
-
+
212020022212 = 221312819911453
BaseRepresentation
bin1100010101110101100…
…0001100101111000100
3202021021001002002011021
43011131120030233010
511433204111202322
6241222312520524
721214024311355
oct3053530145704
9667231062137
10212020022212
1181a0a858859
12351110b0144
1316cbb67425b
14a394631d2c
1557ad84c4c7
hex315d60cbc4

212020022212 has 48 divisors (see below), whose sum is σ = 375834945024. Its totient is φ = 104648544000.

The previous prime is 212020022197. The next prime is 212020022219. The reversal of 212020022212 is 212220020212.

It is a super-4 number, since 4×2120200222124 (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (212020022219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145918078 + ... + 145919530.

It is an arithmetic number, because the mean of its divisors is an integer number (7829894688).

Almost surely, 2212020022212 is an apocalyptic number.

It is an amenable number.

212020022212 is a deficient number, since it is larger than the sum of its proper divisors (163814922812).

212020022212 is a wasteful number, since it uses less digits than its factorization.

212020022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212020022212 its reverse (212220020212), we get a palindrome (424240042424).

It can be divided in two parts, 2120200 and 22212, that added together give a palindrome (2142412).

The spelling of 212020022212 in words is "two hundred twelve billion, twenty million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 131 262 281 524 562 991 1124 1453 1982 2906 3964 5812 36811 73622 129821 147244 190343 259642 278471 380686 408293 519284 556942 761372 816586 1113884 1439923 1633172 2879846 5759692 36479701 53486383 72959402 106972766 145918804 188629913 213945532 377259826 404618363 754519652 809236726 1618473452 53005005553 106010011106 212020022212