215240201512 has 32 divisors (see below), whose sum is σ = 462943641600. Its totient is φ = 91902873024.

The previous prime is 215240201509. The next prime is 215240201543. The reversal of 215240201512 is 215102042512.

It is a super-2 number, since 2×215240201512² (a number of 23 digits) contains 22 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, 7129128 + ... + 7159255.

It is an arithmetic number, because the mean of its divisors is an integer number (14466988800).

Almost surely, 2^215240201512 is an apocalyptic number.

It is an amenable number.

215240201512 is an abundant number, since it is smaller than the sum of its proper divisors (247703440088).

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

215240201512 is a wasteful number, since it uses less digits than its factorization.

215240201512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288665 (or 14288661 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 215240201512 in words is "two hundred fifteen billion, two hundred forty million, two hundred one thousand, five hundred twelve".