20012442012 has 24 divisors (see below), whose sum is σ = 51884109200. Its totient is φ = 6670813968.

The previous prime is 20012441971. The next prime is 20012442019. The reversal of 20012442012 is 21024421002.

20012442012 is a `hidden beast` number, since 200 + 12 + 442 + 0 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012442019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92650087 + ... + 92650302.

Almost surely, 2^20012442012 is an apocalyptic number.

It is an amenable number.

20012442012 is an abundant number, since it is smaller than the sum of its proper divisors (31871667188).

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

20012442012 is a wasteful number, since it uses less digits than its factorization.

20012442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185300402 (or 185300394 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20012442012 its reverse (21024421002), we get a palindrome (41036863014).

The spelling of 20012442012 in words is "twenty billion, twelve million, four hundred forty-two thousand, twelve".