102462978252 has 48 divisors (see below), whose sum is σ = 240289280000. Its totient is φ = 33981716160.

The previous prime is 102462978239. The next prime is 102462978257. The reversal of 102462978252 is 252879264201.

It is not an unprimeable number, because it can be changed into a prime (102462978257) 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, 14552949 + ... + 14559987.

Almost surely, 2^102462978252 is an apocalyptic number.

102462978252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102462978252 is an abundant number, since it is smaller than the sum of its proper divisors (137826301748).

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

102462978252 is a wasteful number, since it uses less digits than its factorization.

102462978252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006 (or 13004 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 102462978252 in words is "one hundred two billion, four hundred sixty-two million, nine hundred seventy-eight thousand, two hundred fifty-two".