122152545468 has 72 divisors (see below), whose sum is σ = 309769299840. Its totient is φ = 40586516640.

The previous prime is 122152545413. The next prime is 122152545469. The reversal of 122152545468 is 864545251221.

122152545468 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 52 + 54 + 546 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122152545469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20399971 + ... + 20405957.

Almost surely, 2^122152545468 is an apocalyptic number.

122152545468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122152545468 is an abundant number, since it is smaller than the sum of its proper divisors (187616754372).

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

122152545468 is a wasteful number, since it uses less digits than its factorization.

122152545468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727 (or 7722 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

Adding to 122152545468 its reverse (864545251221), we get a palindrome (986697796689).

The spelling of 122152545468 in words is "one hundred twenty-two billion, one hundred fifty-two million, five hundred forty-five thousand, four hundred sixty-eight".