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120102001012 = 22719225755641
BaseRepresentation
bin110111111011010100…
…0110001100101110100
3102111000010002210120201
41233312220301211310
53431432103013022
6131101334410244
711451145110310
oct1576650614564
9374003083521
10120102001012
1146a314a2a84
121b339b00984
13b43037b8b6
145b54ad8b40
1531cde03127
hex1bf6a31974

120102001012 has 24 divisors (see below), whose sum is σ = 252846319040. Its totient is φ = 48763218240.

The previous prime is 120102000989. The next prime is 120102001039. The reversal of 120102001012 is 210100201021.

It is a self number, because there is not a number n which added to its sum of digits gives 120102001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112877289 + ... + 112878352.

Almost surely, 2120102001012 is an apocalyptic number.

It is an amenable number.

120102001012 is an abundant number, since it is smaller than the sum of its proper divisors (132744318028).

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

120102001012 is a wasteful number, since it uses less digits than its factorization.

120102001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225755671 (or 225755669 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120102001012 its reverse (210100201021), we get a palindrome (330202202033).

Subtracting 120102001012 from its reverse (210100201021), we obtain a square (89998200009 = 2999972).

The spelling of 120102001012 in words is "one hundred twenty billion, one hundred two million, one thousand, twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 225755641 451511282 903022564 1580289487 3160578974 4289357179 6321157948 8578714358 17157428716 30025500253 60051000506 120102001012