12122354502 has 48 divisors (see below), whose sum is σ = 27664231920. Its totient is φ = 3825792000.

The previous prime is 12122354501. The next prime is 12122354513. The reversal of 12122354502 is 20545322121.

12122354502 is a `hidden beast` number, since 1 + 2 + 122 + 35 + 4 + 502 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122354501) 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, 606102 + ... + 625782.

It is an arithmetic number, because the mean of its divisors is an integer number (576338165).

Almost surely, 2^12122354502 is an apocalyptic number.

12122354502 is an abundant number, since it is smaller than the sum of its proper divisors (15541877418).

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

12122354502 is a wasteful number, since it uses less digits than its factorization.

12122354502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21509 (or 21506 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12122354502 its reverse (20545322121), we get a palindrome (32667676623).

The spelling of 12122354502 in words is "twelve billion, one hundred twenty-two million, three hundred fifty-four thousand, five hundred two".