120102015225 has 48 divisors (see below), whose sum is σ = 211762071360. Its totient is φ = 59852697600.

The previous prime is 120102015179. The next prime is 120102015247. The reversal of 120102015225 is 522510201021.

It is not a de Polignac number, because 120102015225 - 2⁶ = 120102015161 is a prime.

It is a super-2 number, since 2×120102015225² (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 47 ways as a sum of consecutive naturals, for example, 161616 + ... + 516065.

It is an arithmetic number, because the mean of its divisors is an integer number (4411709820).

Almost surely, 2^120102015225 is an apocalyptic number.

120102015225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120102015225 is a deficient number, since it is larger than the sum of its proper divisors (91660056135).

120102015225 is a wasteful number, since it uses less digits than its factorization.

120102015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677850 (or 677845 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 120102015225 its reverse (522510201021), we get a palindrome (642612216246).

The spelling of 120102015225 in words is "one hundred twenty billion, one hundred two million, fifteen thousand, two hundred twenty-five".