13215450124 has 12 divisors (see below), whose sum is σ = 24132561264. Its totient is φ = 6320432624.

The previous prime is 13215450119. The next prime is 13215450137. The reversal of 13215450124 is 42105451231.

It is a junction number, because it is equal to n+sod(n) for n = 13215450092 and 13215450101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71823007 + ... + 71823190.

It is an arithmetic number, because the mean of its divisors is an integer number (2011046772).

Almost surely, 2^13215450124 is an apocalyptic number.

It is an amenable number.

13215450124 is a deficient number, since it is larger than the sum of its proper divisors (10917111140).

13215450124 is a wasteful number, since it uses less digits than its factorization.

13215450124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143646224 (or 143646222 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 13215450124 in words is "thirteen billion, two hundred fifteen million, four hundred fifty thousand, one hundred twenty-four".