121312033131 has 16 divisors (see below), whose sum is σ = 171405216000. Its totient is φ = 76103905248.

The previous prime is 121312033127. The next prime is 121312033151. The reversal of 121312033131 is 131330213121.

It is a happy number.

It is not a de Polignac number, because 121312033131 - 2² = 121312033127 is a prime.

It is a super-2 number, since 2×121312033131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121312033098 and 121312033107.

It is not an unprimeable number, because it can be changed into a prime (121312033151) 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, 7133391 + ... + 7150376.

It is an arithmetic number, because the mean of its divisors is an integer number (10712826000).

Almost surely, 2^121312033131 is an apocalyptic number.

121312033131 is a deficient number, since it is larger than the sum of its proper divisors (50093182869).

121312033131 is a wasteful number, since it uses less digits than its factorization.

121312033131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14283938.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121312033131 its reverse (131330213121), we get a palindrome (252642246252).

The spelling of 121312033131 in words is "one hundred twenty-one billion, three hundred twelve million, thirty-three thousand, one hundred thirty-one".