12203213331131 has 4 divisors (see below), whose sum is σ = 12845487717000. Its totient is φ = 11560938945264.

The previous prime is 12203213331103. The next prime is 12203213331137. The reversal of 12203213331131 is 13113331230221.

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-12203213331131 is a prime.

It is a super-2 number, since 2×12203213331131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12203213331131.

It is not an unprimeable number, because it can be changed into a prime (12203213331137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321137192906 + ... + 321137192943.

It is an arithmetic number, because the mean of its divisors is an integer number (3211371929250).

Almost surely, 2^{12203213331131} is an apocalyptic number.

12203213331131 is a deficient number, since it is larger than the sum of its proper divisors (642274385869).

12203213331131 is an equidigital number, since it uses as much as digits as its factorization.

12203213331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642274385868.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12203213331131 its reverse (13113331230221), we get a palindrome (25316544561352).

The spelling of 12203213331131 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, three hundred thirty-one thousand, one hundred thirty-one".