20312444611112 has 8 divisors (see below), whose sum is σ = 38085833645850. Its totient is φ = 10156222305552.

The previous prime is 20312444611111. The next prime is 20312444611117. The reversal of 20312444611112 is 21111644421302.

20312444611112 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16072032892036 + 4240411719076 = 4008994^2 + 2059226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20312444611111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269527788187 + ... + 1269527788202.

Almost surely, 2^{20312444611112} is an apocalyptic number.

It is an amenable number.

20312444611112 is a deficient number, since it is larger than the sum of its proper divisors (17773389034738).

20312444611112 is a wasteful number, since it uses less digits than its factorization.

20312444611112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539055576395 (or 2539055576391 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 20312444611112 in words is "twenty trillion, three hundred twelve billion, four hundred forty-four million, six hundred eleven thousand, one hundred twelve".