12037381225 has 9 divisors (see below), whose sum is σ = 14927032983. Its totient is φ = 9629466120.

The previous prime is 12037381193. The next prime is 12037381229. The reversal of 12037381225 is 52218373021.

The square root of 12037381225 is 109715.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4333457241 + 7703923984 = 65829^2 + 87772^2 .

It is not a de Polignac number, because 12037381225 - 2⁵ = 12037381193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12037381229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 537604 + ... + 559546.

Almost surely, 2^12037381225 is an apocalyptic number.

12037381225 is the 109715-th square number.

12037381225 is the 54858-th centered octagonal number.

It is an amenable number.

12037381225 is a deficient number, since it is larger than the sum of its proper divisors (2889651758).

12037381225 is an frugal number, since it uses more digits than its factorization.

12037381225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43896 (or 21948 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 12037381225 in words is "twelve billion, thirty-seven million, three hundred eighty-one thousand, two hundred twenty-five".