13212115504 has 80 divisors (see below), whose sum is σ = 29719526400. Its totient is φ = 5573094912.

The previous prime is 13212115489. The next prime is 13212115529. The reversal of 13212115504 is 40551121231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2259817 + ... + 2265655.

It is an arithmetic number, because the mean of its divisors is an integer number (371494080).

Almost surely, 2^13212115504 is an apocalyptic number.

13212115504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212115504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14859763200).

13212115504 is an abundant number, since it is smaller than the sum of its proper divisors (16507410896).

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

13212115504 is a wasteful number, since it uses less digits than its factorization.

13212115504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6170 (or 6164 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 13212115504 its reverse (40551121231), we get a palindrome (53763236735).

The spelling of 13212115504 in words is "thirteen billion, two hundred twelve million, one hundred fifteen thousand, five hundred four".