13212115502 has 16 divisors (see below), whose sum is σ = 19924418880. Its totient is φ = 6570707808.

The previous prime is 13212115489. The next prime is 13212115529. The reversal of 13212115502 is 20551121231.

It is a congruent number.

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, 403448 + ... + 434964.

It is an arithmetic number, because the mean of its divisors is an integer number (1245276180).

Almost surely, 2^13212115502 is an apocalyptic number.

13212115502 is a deficient number, since it is larger than the sum of its proper divisors (6712303378).

13212115502 is a wasteful number, since it uses less digits than its factorization.

13212115502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32635.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 13212115502 its reverse (20551121231), we get a palindrome (33763236733).

The spelling of 13212115502 in words is "thirteen billion, two hundred twelve million, one hundred fifteen thousand, five hundred two".