10020120030012 has 12 divisors (see below), whose sum is σ = 23380280070056. Its totient is φ = 3340040010000.

The previous prime is 10020120029903. The next prime is 10020120030061. The reversal of 10020120030012 is 21003002102001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 835010002501 = 10020120030012 / (1 + 0 + 0 + 2 + 0 + 1 + 2 + 0 + 0 + 3 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 10020120030012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417505001239 + ... + 417505001262.

Almost surely, 2^{10020120030012} is an apocalyptic number.

10020120030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020120030012 is an abundant number, since it is smaller than the sum of its proper divisors (13360160040044).

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

10020120030012 is a wasteful number, since it uses less digits than its factorization.

10020120030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835010002508 (or 835010002506 counting only the distinct ones).

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

Adding to 10020120030012 its reverse (21003002102001), we get a palindrome (31023122132013).

The spelling of 10020120030012 in words is "ten trillion, twenty billion, one hundred twenty million, thirty thousand, twelve".