12011302330131 has 64 divisors (see below), whose sum is σ = 18278410752000. Its totient is φ = 6954876504576.

The previous prime is 12011302330127. The next prime is 12011302330133. The reversal of 12011302330131 is 13103320311021.

It is a happy number.

It is not a de Polignac number, because 12011302330131 - 2² = 12011302330127 is a prime.

It is a super-2 number, since 2×12011302330131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011302330098 and 12011302330107.

It is not an unprimeable number, because it can be changed into a prime (12011302330133) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 279070945 + ... + 279113981.

It is an arithmetic number, because the mean of its divisors is an integer number (285600168000).

Almost surely, 2^{12011302330131} is an apocalyptic number.

12011302330131 is a deficient number, since it is larger than the sum of its proper divisors (6267108421869).

12011302330131 is a wasteful number, since it uses less digits than its factorization.

12011302330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45628.

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

Adding to 12011302330131 its reverse (13103320311021), we get a palindrome (25114622641152).

The spelling of 12011302330131 in words is "twelve trillion, eleven billion, three hundred two million, three hundred thirty thousand, one hundred thirty-one".