12201539131 has 2 divisors, whose sum is σ = 12201539132. Its totient is φ = 12201539130.

The previous prime is 12201539093. The next prime is 12201539179. The reversal of 12201539131 is 13193510221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201539131 - 2³¹ = 10054055483 is a prime.

It is a super-2 number, since 2×12201539131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12201539131.

It is not a weakly prime, because it can be changed into another prime (12201534131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100769565 + 6100769566.

It is an arithmetic number, because the mean of its divisors is an integer number (6100769566).

Almost surely, 2^12201539131 is an apocalyptic number.

12201539131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201539131 is an equidigital number, since it uses as much as digits as its factorization.

12201539131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 12201539131 in words is "twelve billion, two hundred one million, five hundred thirty-nine thousand, one hundred thirty-one".