20201310123112 has 8 divisors (see below), whose sum is σ = 37877456480850. Its totient is φ = 10100655061552.

The previous prime is 20201310123017. The next prime is 20201310123139. The reversal of 20201310123112 is 21132101310202.

It can be written as a sum of positive squares in only one way, i.e., 17437689815716 + 2763620307396 = 4175846^2 + 1662414^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20201310123112.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262581882687 + ... + 1262581882702.

Almost surely, 2^{20201310123112} is an apocalyptic number.

It is an amenable number.

20201310123112 is a deficient number, since it is larger than the sum of its proper divisors (17676146357738).

20201310123112 is a wasteful number, since it uses less digits than its factorization.

20201310123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525163765395 (or 2525163765391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20201310123112 its reverse (21132101310202), we get a palindrome (41333411433314).

The spelling of 20201310123112 in words is "twenty trillion, two hundred one billion, three hundred ten million, one hundred twenty-three thousand, one hundred twelve".