12100202321131 has 4 divisors (see below), whose sum is σ = 12253369439200. Its totient is φ = 11947035203064.

The previous prime is 12100202321111. The next prime is 12100202321147. The reversal of 12100202321131 is 13112320200121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100202321131 is a prime.

It is a super-2 number, since 2×12100202321131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100202321099 and 12100202321108.

It is not an unprimeable number, because it can be changed into a prime (12100202321111) 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 in 3 ways as a sum of consecutive naturals, for example, 76583558916 + ... + 76583559073.

It is an arithmetic number, because the mean of its divisors is an integer number (3063342359800).

Almost surely, 2^{12100202321131} is an apocalyptic number.

12100202321131 is a deficient number, since it is larger than the sum of its proper divisors (153167118069).

12100202321131 is an equidigital number, since it uses as much as digits as its factorization.

12100202321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153167118068.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12100202321131 its reverse (13112320200121), we get a palindrome (25212522521252).

The spelling of 12100202321131 in words is "twelve trillion, one hundred billion, two hundred two million, three hundred twenty-one thousand, one hundred thirty-one".