20122043312 has 40 divisors (see below), whose sum is σ = 44621358336. Its totient is φ = 8611073856.

The previous prime is 20122043303. The next prime is 20122043329. The reversal of 20122043312 is 21334022102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55028 + ... + 208019.

Almost surely, 2^20122043312 is an apocalyptic number.

It is an amenable number.

20122043312 is an abundant number, since it is smaller than the sum of its proper divisors (24499315024).

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

20122043312 is a wasteful number, since it uses less digits than its factorization.

20122043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263745 (or 263739 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20122043312 its reverse (21334022102), we get a palindrome (41456065414).

The spelling of 20122043312 in words is "twenty billion, one hundred twenty-two million, forty-three thousand, three hundred twelve".