10200912012 has 48 divisors (see below), whose sum is σ = 27091864800. Its totient is φ = 3317368320.

The previous prime is 10200911993. The next prime is 10200912031. The reversal of 10200912012 is 21021900201.

It is an interprime number because it is at equal distance from previous prime (10200911993) and next prime (10200912031).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1147437 + ... + 1156292.

It is an arithmetic number, because the mean of its divisors is an integer number (564413850).

Almost surely, 2^10200912012 is an apocalyptic number.

10200912012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10200912012 is an abundant number, since it is smaller than the sum of its proper divisors (16890952788).

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

10200912012 is a wasteful number, since it uses less digits than its factorization.

10200912012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303783 (or 2303775 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 10200912012 in words is "ten billion, two hundred million, nine hundred twelve thousand, twelve".