20002122012112 has 10 divisors (see below), whose sum is σ = 38754111398498. Its totient is φ = 10001061006048.

The previous prime is 20002122012091. The next prime is 20002122012149. The reversal of 20002122012112 is 21121022120002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19509323628096 + 492798384016 = 4416936^2 + 701996^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1250132625757 = 20002122012112 / (2 + 0 + 0 + 0 + 2 + 1 + 2 + 2 + 0 + 1 + 2 + 1 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625066312863 + ... + 625066312894.

Almost surely, 2^{20002122012112} is an apocalyptic number.

It is an amenable number.

20002122012112 is a deficient number, since it is larger than the sum of its proper divisors (18751989386386).

20002122012112 is a wasteful number, since it uses less digits than its factorization.

20002122012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250132625765 (or 1250132625759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20002122012112 its reverse (21121022120002), we get a palindrome (41123144132114).

The spelling of 20002122012112 in words is "twenty trillion, two billion, one hundred twenty-two million, twelve thousand, one hundred twelve".