12100231212031 has 16 divisors (see below), whose sum is σ = 12523982990400. Its totient is φ = 11676914661888.

The previous prime is 12100231211983. The next prime is 12100231212073. The reversal of 12100231212031 is 13021213200121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12100231212031 is a prime.

It is a super-2 number, since 2×12100231212031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100231212431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551579095 + ... + 551601031.

It is an arithmetic number, because the mean of its divisors is an integer number (782748936900).

Almost surely, 2^{12100231212031} is an apocalyptic number.

12100231212031 is a deficient number, since it is larger than the sum of its proper divisors (423751778369).

12100231212031 is a wasteful number, since it uses less digits than its factorization.

12100231212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30978.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12100231212031 its reverse (13021213200121), we get a palindrome (25121444412152).

The spelling of 12100231212031 in words is "twelve trillion, one hundred billion, two hundred thirty-one million, two hundred twelve thousand, thirty-one".