12152235321 has 24 divisors (see below), whose sum is σ = 18367704576. Its totient is φ = 7732739520.

The previous prime is 12152235317. The next prime is 12152235343. The reversal of 12152235321 is 12353225121.

12152235321 is a `hidden beast` number, since 121 + 5 + 2 + 2 + 3 + 532 + 1 = 666.

It is not a de Polignac number, because 12152235321 - 2² = 12152235317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12152235421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277965 + ... + 318698.

It is an arithmetic number, because the mean of its divisors is an integer number (765321024).

Almost surely, 2^12152235321 is an apocalyptic number.

It is an amenable number.

12152235321 is a deficient number, since it is larger than the sum of its proper divisors (6215469255).

12152235321 is a wasteful number, since it uses less digits than its factorization.

12152235321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596773 (or 596770 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The spelling of 12152235321 in words is "twelve billion, one hundred fifty-two million, two hundred thirty-five thousand, three hundred twenty-one".