12320131021011 has 24 divisors (see below), whose sum is σ = 19417247604144. Its totient is φ = 7465319991360.

The previous prime is 12320131020983. The next prime is 12320131021019. The reversal of 12320131021011 is 11012013102321.

12320131021011 is a `hidden beast` number, since 1 + 2 + 320 + 1 + 310 + 21 + 0 + 11 = 666.

It is not a de Polignac number, because 12320131021011 - 2⁶ = 12320131020947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12320131021019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11362936 + ... + 12399861.

It is an arithmetic number, because the mean of its divisors is an integer number (809051983506).

Almost surely, 2^{12320131021011} is an apocalyptic number.

12320131021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12320131021011 is a deficient number, since it is larger than the sum of its proper divisors (7097116583133).

12320131021011 is a wasteful number, since it uses less digits than its factorization.

12320131021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23768051 (or 23768048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12320131021011 its reverse (11012013102321), we get a palindrome (23332144123332).

It can be divided in two parts, 123201310 and 21011, that added together give a palindrome (123222321).

The spelling of 12320131021011 in words is "twelve trillion, three hundred twenty billion, one hundred thirty-one million, twenty-one thousand, eleven".