121232320333131 has 16 divisors (see below), whose sum is σ = 189031126279424. Its totient is φ = 67664550883104.

The previous prime is 121232320333129. The next prime is 121232320333147. The reversal of 121232320333131 is 131333023232121.

It is not a de Polignac number, because 121232320333131 - 2¹ = 121232320333129 is a prime.

It is a super-2 number, since 2×121232320333131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121232320333231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67127529736 + ... + 67127531541.

It is an arithmetic number, because the mean of its divisors is an integer number (11814445392464).

Almost surely, 2^{121232320333131} is an apocalyptic number.

121232320333131 is a deficient number, since it is larger than the sum of its proper divisors (67798805946293).

121232320333131 is a wasteful number, since it uses less digits than its factorization.

121232320333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134255061330.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 121232320333131 its reverse (131333023232121), we get a palindrome (252565343565252).

The spelling of 121232320333131 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, three hundred twenty million, three hundred thirty-three thousand, one hundred thirty-one".