102423312012 has 48 divisors (see below), whose sum is σ = 274637871872. Its totient is φ = 29102120640.

The previous prime is 102423312007. The next prime is 102423312041. The reversal of 102423312012 is 210213324201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 102423312012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3353098 + ... + 3383505.

Almost surely, 2^102423312012 is an apocalyptic number.

102423312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102423312012 is an abundant number, since it is smaller than the sum of its proper divisors (172214559860).

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

102423312012 is a wasteful number, since it uses less digits than its factorization.

102423312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736798 (or 6736796 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102423312012 its reverse (210213324201), we get a palindrome (312636636213).

The spelling of 102423312012 in words is "one hundred two billion, four hundred twenty-three million, three hundred twelve thousand, twelve".