12252401535 has 32 divisors (see below), whose sum is σ = 21410376192. Its totient is φ = 5933790080.

The previous prime is 12252401531. The next prime is 12252401549. The reversal of 12252401535 is 53510425221.

It is not a de Polignac number, because 12252401535 - 2² = 12252401531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12252401531) 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, 104497 + ... + 188213.

It is an arithmetic number, because the mean of its divisors is an integer number (669074256).

Almost surely, 2^12252401535 is an apocalyptic number.

12252401535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12252401535 is a deficient number, since it is larger than the sum of its proper divisors (9157974657).

12252401535 is a wasteful number, since it uses less digits than its factorization.

12252401535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84623.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 12252401535 its reverse (53510425221), we get a palindrome (65762826756).

The spelling of 12252401535 in words is "twelve billion, two hundred fifty-two million, four hundred one thousand, five hundred thirty-five".