10020012312 has 128 divisors (see below), whose sum is σ = 25852478400. Its totient is φ = 3235381248.

The previous prime is 10020012283. The next prime is 10020012323. The reversal of 10020012312 is 21321002001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28385128 + ... + 28385480.

Almost surely, 2^10020012312 is an apocalyptic number.

10020012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020012312 is an abundant number, since it is smaller than the sum of its proper divisors (15832466088).

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

10020012312 is a wasteful number, since it uses less digits than its factorization.

10020012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 681 counting only the distinct ones).

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

Adding to 10020012312 its reverse (21321002001), we get a palindrome (31341014313).

The spelling of 10020012312 in words is "ten billion, twenty million, twelve thousand, three hundred twelve".