12311013203013 has 128 divisors (see below), whose sum is σ = 19342413066240. Its totient is φ = 6821234933760.

The previous prime is 12311013203003. The next prime is 12311013203051. The reversal of 12311013203013 is 31030231011321.

It is a happy number.

It is not a de Polignac number, because 12311013203013 - 2⁴ = 12311013202997 is a prime.

It is a super-2 number, since 2×12311013203013² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311013203003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8245821895 + ... + 8245823387.

It is an arithmetic number, because the mean of its divisors is an integer number (151112602080).

Almost surely, 2^{12311013203013} is an apocalyptic number.

It is an amenable number.

12311013203013 is a deficient number, since it is larger than the sum of its proper divisors (7031399863227).

12311013203013 is a wasteful number, since it uses less digits than its factorization.

12311013203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107.

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

Adding to 12311013203013 its reverse (31030231011321), we get a palindrome (43341244214334).

The spelling of 12311013203013 in words is "twelve trillion, three hundred eleven billion, thirteen million, two hundred three thousand, thirteen".