121231130330302 has 16 divisors (see below), whose sum is σ = 202677431513040. Its totient is φ = 54047315069568.

The previous prime is 121231130330293. The next prime is 121231130330347. The reversal of 121231130330302 is 203033031132121.

It is a super-2 number, since 2×121231130330302² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93832143573 + ... + 93832144864.

It is an arithmetic number, because the mean of its divisors is an integer number (12667339469565).

Almost surely, 2^{121231130330302} is an apocalyptic number.

121231130330302 is a deficient number, since it is larger than the sum of its proper divisors (81446301182738).

121231130330302 is a wasteful number, since it uses less digits than its factorization.

121231130330302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187664288475.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121231130330302 its reverse (203033031132121), we get a palindrome (324264161462423).

The spelling of 121231130330302 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred thirty million, three hundred thirty thousand, three hundred two".