12152131 has 8 divisors (see below), whose sum is σ = 12646800. Its totient is φ = 11662560.

The previous prime is 12152099. The next prime is 12152137. The reversal of 12152131 is 13125121.

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 12152131 - 2⁵ = 12152099 is a prime.

It is a super-2 number, since 2×12152131² = 295348575682322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4021 + ... + 6361.

It is an arithmetic number, because the mean of its divisors is an integer number (1580850).

Almost surely, 2^12152131 is an apocalyptic number.

12152131 is a deficient number, since it is larger than the sum of its proper divisors (494669).

12152131 is a wasteful number, since it uses less digits than its factorization.

12152131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549.

The product of its digits is 60, while the sum is 16.

The square root of 12152131 is about 3485.9906769812. The cubic root of 12152131 is about 229.9062693060.

Adding to 12152131 its reverse (13125121), we get a palindrome (25277252).

The spelling of 12152131 in words is "twelve million, one hundred fifty-two thousand, one hundred thirty-one".