13215354250 has 256 divisors, whose sum is σ = 30640177152. Its totient is φ = 4173120000.

The previous prime is 13215354247. The next prime is 13215354253. The reversal of 13215354250 is 5245351231.

It is an interprime number because it is at equal distance from previous prime (13215354247) and next prime (13215354253).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (13215354253) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181032214 + ... + 181032286.

It is an arithmetic number, because the mean of its divisors is an integer number (119688192).

Almost surely, 2^13215354250 is an apocalyptic number.

13215354250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13215354250 is an abundant number, since it is smaller than the sum of its proper divisors (17424822902).

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

13215354250 is a wasteful number, since it uses less digits than its factorization.

13215354250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 13215354250 in words is "thirteen billion, two hundred fifteen million, three hundred fifty-four thousand, two hundred fifty".