10012120010 has 32 divisors (see below), whose sum is σ = 18418164480. Its totient is φ = 3916890432.

The previous prime is 10012119989. The next prime is 10012120021. The reversal of 10012120010 is 1002121001.

It is a self number, because there is not a number n which added to its sum of digits gives 10012120010.

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, 743921 + ... + 757259.

It is an arithmetic number, because the mean of its divisors is an integer number (575567640).

Almost surely, 2^10012120010 is an apocalyptic number.

10012120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10012120010 is a deficient number, since it is larger than the sum of its proper divisors (8406044470).

10012120010 is a wasteful number, since it uses less digits than its factorization.

10012120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14990.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10012120010 its reverse (1002121001), we get a palindrome (11014241011).

Subtracting from 10012120010 its reverse (1002121001), we obtain a palindrome (9009999009).

The spelling of 10012120010 in words is "ten billion, twelve million, one hundred twenty thousand, ten".