102113212124 has 72 divisors (see below), whose sum is σ = 228160750944. Its totient is φ = 39132086400.

The previous prime is 102113212099. The next prime is 102113212141. The reversal of 102113212124 is 421212311201.

It is a junction number, because it is equal to n+sod(n) for n = 102113212096 and 102113212105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40379 + ... + 453714.

Almost surely, 2^102113212124 is an apocalyptic number.

102113212124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102113212124 is an abundant number, since it is smaller than the sum of its proper divisors (126047538820).

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

102113212124 is a wasteful number, since it uses less digits than its factorization.

102113212124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494187 (or 494174 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 102113212124 its reverse (421212311201), we get a palindrome (523325523325).

The spelling of 102113212124 in words is "one hundred two billion, one hundred thirteen million, two hundred twelve thousand, one hundred twenty-four".