13212242052 has 24 divisors (see below), whose sum is σ = 31333952832. Its totient is φ = 4331882400.

The previous prime is 13212241981. The next prime is 13212242077. The reversal of 13212242052 is 25024221231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9024024 + ... + 9025487.

It is an arithmetic number, because the mean of its divisors is an integer number (1305581368).

Almost surely, 2^13212242052 is an apocalyptic number.

13212242052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13212242052 is an abundant number, since it is smaller than the sum of its proper divisors (18121710780).

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

13212242052 is a wasteful number, since it uses less digits than its factorization.

13212242052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18049579 (or 18049577 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 13212242052 its reverse (25024221231), we get a palindrome (38236463283).

The spelling of 13212242052 in words is "thirteen billion, two hundred twelve million, two hundred forty-two thousand, fifty-two".