12252053539 has 8 divisors (see below), whose sum is σ = 13374111168. Its totient is φ = 11131368360.

The previous prime is 12252053531. The next prime is 12252053543. The reversal of 12252053539 is 93535025221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12252053539 - 2³ = 12252053531 is a prime.

It is a super-2 number, since 2×12252053539² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12252053498 and 12252053507.

It is not an unprimeable number, because it can be changed into a prime (12252053531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324397 + ... + 360190.

It is an arithmetic number, because the mean of its divisors is an integer number (1671763896).

Almost surely, 2^12252053539 is an apocalyptic number.

12252053539 is a deficient number, since it is larger than the sum of its proper divisors (1122057629).

12252053539 is a wasteful number, since it uses less digits than its factorization.

12252053539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686225.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 12252053539 in words is "twelve billion, two hundred fifty-two million, fifty-three thousand, five hundred thirty-nine".