102310012020 has 48 divisors (see below), whose sum is σ = 294210419328. Its totient is φ = 26545299840.

The previous prime is 102310012003. The next prime is 102310012031. The reversal of 102310012020 is 20210013201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102310011987 and 102310012005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23040576 + ... + 23045015.

It is an arithmetic number, because the mean of its divisors is an integer number (6129383736).

Almost surely, 2^102310012020 is an apocalyptic number.

102310012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102310012020 is an abundant number, since it is smaller than the sum of its proper divisors (191900407308).

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

102310012020 is a wasteful number, since it uses less digits than its factorization.

102310012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46085640 (or 46085638 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102310012020 its reverse (20210013201), we get a palindrome (122520025221).

The spelling of 102310012020 in words is "one hundred two billion, three hundred ten million, twelve thousand, twenty".