12122122048 has 28 divisors (see below), whose sum is σ = 24058391812. Its totient is φ = 6060165120.

The previous prime is 12122121989. The next prime is 12122122049. The reversal of 12122122048 is 84022122121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1776791104 + 10345330944 = 42152^2 + 101712^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122122049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723688 + ... + 740248.

It is an arithmetic number, because the mean of its divisors is an integer number (859228279).

Almost surely, 2^12122122048 is an apocalyptic number.

It is an amenable number.

12122122048 is a deficient number, since it is larger than the sum of its proper divisors (11936269764).

12122122048 is a wasteful number, since it uses less digits than its factorization.

12122122048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28010 (or 28000 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 12122122048 its reverse (84022122121), we get a palindrome (96144244169).

The spelling of 12122122048 in words is "twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, forty-eight".