12202131 has 8 divisors (see below), whose sum is σ = 16498944. Its totient is φ = 8020040.

The previous prime is 12202129. The next prime is 12202139. The reversal of 12202131 is 13120221.

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 12202131 - 2¹ = 12202129 is a prime.

It is a super-2 number, since 2×12202131² = 297784001882322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12202139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28431 + ... + 28856.

It is an arithmetic number, because the mean of its divisors is an integer number (2062368).

Almost surely, 2^12202131 is an apocalyptic number.

12202131 is a deficient number, since it is larger than the sum of its proper divisors (4296813).

12202131 is an equidigital number, since it uses as much as digits as its factorization.

12202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57361.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12202131 is about 3493.1548777574. The cubic root of 12202131 is about 230.2211546422.

Adding to 12202131 its reverse (13120221), we get a palindrome (25322352).

The spelling of 12202131 in words is "twelve million, two hundred two thousand, one hundred thirty-one".