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120100212012 = 223113724590543
BaseRepresentation
bin110111111011010000…
…1111100110100101100
3102110222222201220112110
41233312201330310230
53431431123241022
6131101232204020
711451123646464
oct1576641746454
9373888656473
10120100212012
1146a30490970
121b339399610
13b42cba3511
145b54790ba4
1531cdb9d00c
hex1bf687cd2c

120100212012 has 48 divisors (see below), whose sum is σ = 313972065792. Its totient is φ = 35410380480.

The previous prime is 120100211929. The next prime is 120100212019. The reversal of 120100212012 is 210212001021.

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

It is not an unprimeable number, because it can be changed into a prime (120100212019) 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, 12290388 + ... + 12300155.

It is an arithmetic number, because the mean of its divisors is an integer number (6541084704).

Almost surely, 2120100212012 is an apocalyptic number.

120100212012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120100212012 is an abundant number, since it is smaller than the sum of its proper divisors (193871853780).

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

120100212012 is a wasteful number, since it uses less digits than its factorization.

120100212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24590598 (or 24590596 counting only the distinct ones).

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

Adding to 120100212012 its reverse (210212001021), we get a palindrome (330312213033).

The spelling of 120100212012 in words is "one hundred twenty billion, one hundred million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 132 148 222 407 444 814 1221 1628 2442 4884 24590543 49181086 73771629 98362172 147543258 270495973 295086516 540991946 811487919 909850091 1081983892 1622975838 1819700182 2729550273 3245951676 3639400364 5459100546 10008351001 10918201092 20016702002 30025053003 40033404004 60050106006 120100212012