12052131045 has 32 divisors (see below), whose sum is σ = 20431792512. Its totient is φ = 6045530112.

The previous prime is 12052131041. The next prime is 12052131071. The reversal of 12052131045 is 54013125021.

It is a happy number.

It is not a de Polignac number, because 12052131045 - 2² = 12052131041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052131041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372849 + ... + 403881.

It is an arithmetic number, because the mean of its divisors is an integer number (638493516).

Almost surely, 2^12052131045 is an apocalyptic number.

12052131045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12052131045 is a deficient number, since it is larger than the sum of its proper divisors (8379661467).

12052131045 is a wasteful number, since it uses less digits than its factorization.

12052131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32581.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12052131045 its reverse (54013125021), we get a palindrome (66065256066).

The spelling of 12052131045 in words is "twelve billion, fifty-two million, one hundred thirty-one thousand, forty-five".