20312541212 has 12 divisors (see below), whose sum is σ = 35672556696. Its totient is φ = 10120382160.

The previous prime is 20312541203. The next prime is 20312541217. The reversal of 20312541212 is 21214521302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312541217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8970839 + ... + 8973102.

It is an arithmetic number, because the mean of its divisors is an integer number (2972713058).

Almost surely, 2^20312541212 is an apocalyptic number.

It is an amenable number.

20312541212 is a deficient number, since it is larger than the sum of its proper divisors (15360015484).

20312541212 is a wasteful number, since it uses less digits than its factorization.

20312541212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944228 (or 17944226 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The spelling of 20312541212 in words is "twenty billion, three hundred twelve million, five hundred forty-one thousand, two hundred twelve".