215125130372 has 24 divisors (see below), whose sum is σ = 385177161600. Its totient is φ = 105091497056.

The previous prime is 215125130357. The next prime is 215125130411. The reversal of 215125130372 is 273031521512.

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, 2072222 + ... + 2173557.

It is an arithmetic number, because the mean of its divisors is an integer number (16049048400).

Almost surely, 2^215125130372 is an apocalyptic number.

It is an amenable number.

215125130372 is a deficient number, since it is larger than the sum of its proper divisors (170052031228).

215125130372 is a wasteful number, since it uses less digits than its factorization.

215125130372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246075 (or 4246073 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 215125130372 its reverse (273031521512), we get a palindrome (488156651884).

The spelling of 215125130372 in words is "two hundred fifteen billion, one hundred twenty-five million, one hundred thirty thousand, three hundred seventy-two".