20213130132012 has 48 divisors (see below), whose sum is σ = 47717838292320. Its totient is φ = 6658662033408.

The previous prime is 20213130131927. The next prime is 20213130132047. The reversal of 20213130132012 is 21023103131202.

It is a self number, because there is not a number n which added to its sum of digits gives 20213130132012.

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, 2619633 + ... + 6876680.

It is an arithmetic number, because the mean of its divisors is an integer number (994121631090).

Almost surely, 2^{20213130132012} is an apocalyptic number.

It is an amenable number.

20213130132012 is an abundant number, since it is smaller than the sum of its proper divisors (27504708160308).

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

20213130132012 is a wasteful number, since it uses less digits than its factorization.

20213130132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498402 (or 9498400 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20213130132012 its reverse (21023103131202), we get a palindrome (41236233263214).

The spelling of 20213130132012 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty million, one hundred thirty-two thousand, twelve".