2015125012 has 6 divisors (see below), whose sum is σ = 3526468778. Its totient is φ = 1007562504.

The previous prime is 2015125003. The next prime is 2015125019. The reversal of 2015125012 is 2105215102.

It can be written as a sum of positive squares in only one way, i.e., 1339852816 + 675272196 = 36604^2 + 25986^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015125019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251890623 + ... + 251890630.

Almost surely, 2^2015125012 is an apocalyptic number.

It is an amenable number.

2015125012 is a deficient number, since it is larger than the sum of its proper divisors (1511343766).

2015125012 is a wasteful number, since it uses less digits than its factorization.

2015125012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503781257 (or 503781255 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2015125012 is about 44890.1438179919. The cubic root of 2015125012 is about 1263.0891305558.

The spelling of 2015125012 in words is "two billion, fifteen million, one hundred twenty-five thousand, twelve".