20123022112 has 24 divisors (see below), whose sum is σ = 39620883456. Its totient is φ = 10060575552.

The previous prime is 20123022109. The next prime is 20123022163. The reversal of 20123022112 is 21122032102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 432493 + ... + 476755.

It is an arithmetic number, because the mean of its divisors is an integer number (1650870144).

Almost surely, 2^20123022112 is an apocalyptic number.

It is an amenable number.

20123022112 is a deficient number, since it is larger than the sum of its proper divisors (19497861344).

20123022112 is a wasteful number, since it uses less digits than its factorization.

20123022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58480 (or 58472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20123022112 its reverse (21122032102), we get a palindrome (41245054214).

The spelling of 20123022112 in words is "twenty billion, one hundred twenty-three million, twenty-two thousand, one hundred twelve".