20122012112 has 20 divisors (see below), whose sum is σ = 38993026980. Its totient is φ = 10059295488.

The previous prime is 20122012069. The next prime is 20122012121. The reversal of 20122012112 is 21121022102.

It can be written as a sum of positive squares in 2 ways, for example, as 4292346256 + 15829665856 = 65516^2 + 125816^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7037 + ... + 200732.

It is an arithmetic number, because the mean of its divisors is an integer number (1949651349).

Almost surely, 2^20122012112 is an apocalyptic number.

It is an amenable number.

20122012112 is a deficient number, since it is larger than the sum of its proper divisors (18871014868).

20122012112 is a wasteful number, since it uses less digits than its factorization.

20122012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213830 (or 213824 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122012112 its reverse (21121022102), we get a palindrome (41243034214).

The spelling of 20122012112 in words is "twenty billion, one hundred twenty-two million, twelve thousand, one hundred twelve".