12013002125 has 8 divisors (see below), whose sum is σ = 14992226808. Its totient is φ = 9610401600.

The previous prime is 12013002059. The next prime is 12013002163. The reversal of 12013002125 is 52120031021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3494819689 + 8518182436 = 59117^2 + 92294^2 .

It is not a de Polignac number, because 12013002125 - 2¹⁰ = 12013001101 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 48051884 + ... + 48052133.

It is an arithmetic number, because the mean of its divisors is an integer number (1874028351).

Almost surely, 2^12013002125 is an apocalyptic number.

It is an amenable number.

12013002125 is a deficient number, since it is larger than the sum of its proper divisors (2979224683).

12013002125 is an frugal number, since it uses more digits than its factorization.

12013002125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96104032 (or 96104022 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12013002125 its reverse (52120031021), we get a palindrome (64133033146).

The spelling of 12013002125 in words is "twelve billion, thirteen million, two thousand, one hundred twenty-five".