13215215043204 has 24 divisors (see below), whose sum is σ = 30848617742208. Its totient is φ = 4403197970400.

The previous prime is 13215215043181. The next prime is 13215215043293. The reversal of 13215215043204 is 40234051251231.

It is a super-3 number, since 3×13215215043204³ (a number of 40 digits) contains 333 as substring.

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, 234184447 + ... + 234240870.

It is an arithmetic number, because the mean of its divisors is an integer number (1285359072592).

Almost surely, 2^{13215215043204} is an apocalyptic number.

It is an amenable number.

13215215043204 is an abundant number, since it is smaller than the sum of its proper divisors (17633402699004).

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

13215215043204 is a wasteful number, since it uses less digits than its factorization.

13215215043204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468427675 (or 468427673 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 13215215043204 its reverse (40234051251231), we get a palindrome (53449266294435).

The spelling of 13215215043204 in words is "thirteen trillion, two hundred fifteen billion, two hundred fifteen million, forty-three thousand, two hundred four".