20220012112 has 10 divisors (see below), whose sum is σ = 39176273498. Its totient is φ = 10110006048.

The previous prime is 20220012053. The next prime is 20220012119. The reversal of 20220012112 is 21121002202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15494274576 + 4725737536 = 124476^2 + 68744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20220012092 and 20220012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220012119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631875363 + ... + 631875394.

Almost surely, 2^20220012112 is an apocalyptic number.

It is an amenable number.

20220012112 is a deficient number, since it is larger than the sum of its proper divisors (18956261386).

20220012112 is a wasteful number, since it uses less digits than its factorization.

20220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263750765 (or 1263750759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220012112 its reverse (21121002202), we get a palindrome (41341014314).

The spelling of 20220012112 in words is "twenty billion, two hundred twenty million, twelve thousand, one hundred twelve".