121012133031131 has 16 divisors (see below), whose sum is σ = 121804347974400. Its totient is φ = 120222803264928.

The previous prime is 121012133031001. The next prime is 121012133031137. The reversal of 121012133031131 is 131130331210121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121012133031131 is a prime.

It is a super-2 number, since 2×121012133031131² (a number of 29 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 = 121012133031097 and 121012133031106.

It is not an unprimeable number, because it can be changed into a prime (121012133031137) 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, 185974130 + ... + 186623688.

It is an arithmetic number, because the mean of its divisors is an integer number (7612771748400).

Almost surely, 2^{121012133031131} is an apocalyptic number.

121012133031131 is a deficient number, since it is larger than the sum of its proper divisors (792214943269).

121012133031131 is a wasteful number, since it uses less digits than its factorization.

121012133031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651778.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 121012133031131 its reverse (131130331210121), we get a palindrome (252142464241252).

The spelling of 121012133031131 in words is "one hundred twenty-one trillion, twelve billion, one hundred thirty-three million, thirty-one thousand, one hundred thirty-one".