12011033302131 has 4 divisors (see below), whose sum is σ = 16014711069512. Its totient is φ = 8007355534752.

The previous prime is 12011033302127. The next prime is 12011033302157. The reversal of 12011033302131 is 13120333011021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12011033302131 - 2² = 12011033302127 is a prime.

It is a super-2 number, since 2×12011033302131² (a number of 27 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 = 12011033302098 and 12011033302107.

It is not an unprimeable number, because it can be changed into a prime (12011033342131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001838883686 + ... + 2001838883691.

It is an arithmetic number, because the mean of its divisors is an integer number (4003677767378).

Almost surely, 2^{12011033302131} is an apocalyptic number.

12011033302131 is a deficient number, since it is larger than the sum of its proper divisors (4003677767381).

12011033302131 is an equidigital number, since it uses as much as digits as its factorization.

12011033302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003677767380.

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

Adding to 12011033302131 its reverse (13120333011021), we get a palindrome (25131366313152).

The spelling of 12011033302131 in words is "twelve trillion, eleven billion, thirty-three million, three hundred two thousand, one hundred thirty-one".