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212020011012 = 223198311203763
BaseRepresentation
bin1100010101110101100…
…0001010000000000100
3202021021001001111210110
43011131120022000010
511433204110323022
6241222312353020
721214024233615
oct3053530120004
9667231044713
10212020011012
1181a0a8503a7
12351110a5770
1316cbb66c124
14a39462bc0c
1557ad84900c
hex315d60a004

212020011012 has 48 divisors (see below), whose sum is σ = 527025058560. Its totient is φ = 66147010848.

The previous prime is 212020010999. The next prime is 212020011043. The reversal of 212020011012 is 210110020212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5582958 + ... + 5620805.

It is an arithmetic number, because the mean of its divisors is an integer number (10979688720).

Almost surely, 2212020011012 is an apocalyptic number.

It is an amenable number.

212020011012 is an abundant number, since it is smaller than the sum of its proper divisors (315005047548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212020011012 is a wasteful number, since it uses less digits than its factorization.

212020011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11203872 (or 11203870 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212020011012 its reverse (210110020212), we get a palindrome (422130031224).

The spelling of 212020011012 in words is "two hundred twelve billion, twenty million, eleven thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 83 114 166 228 249 332 498 996 1577 3154 4731 6308 9462 18924 11203763 22407526 33611289 44815052 67222578 134445156 212871497 425742994 638614491 851485988 929912329 1277228982 1859824658 2554457964 2789736987 3719649316 5579473974 11158947948 17668334251 35336668502 53005002753 70673337004 106010005506 212020011012