102131234252 has 12 divisors (see below), whose sum is σ = 178748701320. Its totient is φ = 51060176736.

The previous prime is 102131234221. The next prime is 102131234263. The reversal of 102131234252 is 252432131201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317713 + ... + 1393064.

It is an arithmetic number, because the mean of its divisors is an integer number (14895725110).

Almost surely, 2^102131234252 is an apocalyptic number.

It is an amenable number.

102131234252 is a deficient number, since it is larger than the sum of its proper divisors (76617467068).

102131234252 is a wasteful number, since it uses less digits than its factorization.

102131234252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720200 (or 2720198 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 102131234252 its reverse (252432131201), we get a palindrome (354563365453).

The spelling of 102131234252 in words is "one hundred two billion, one hundred thirty-one million, two hundred thirty-four thousand, two hundred fifty-two".