20012212192 has 48 divisors (see below), whose sum is σ = 46479992832. Its totient is φ = 8299992960.

The previous prime is 20012212151. The next prime is 20012212261. The reversal of 20012212192 is 29121221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434028 + ... + 1447915.

It is an arithmetic number, because the mean of its divisors is an integer number (968333184).

Almost surely, 2^20012212192 is an apocalyptic number.

It is an amenable number.

20012212192 is an abundant number, since it is smaller than the sum of its proper divisors (26467780640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012212192 is a wasteful number, since it uses less digits than its factorization.

20012212192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881991 (or 2881983 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 20012212192 its reverse (29121221002), we get a palindrome (49133433194).

The spelling of 20012212192 in words is "twenty billion, twelve million, two hundred twelve thousand, one hundred ninety-two".