12100022131213 has 4 divisors (see below), whose sum is σ = 12100511065500. Its totient is φ = 12099533196928.

The previous prime is 12100022131201. The next prime is 12100022131229. The reversal of 12100022131213 is 31213122000121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5630924923849 + 6469097207364 = 2372957^2 + 2543442^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100022131213 - 2⁴¹ = 9900998875661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100022131313) 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, 244430020 + ... + 244479517.

It is an arithmetic number, because the mean of its divisors is an integer number (3025127766375).

Almost surely, 2^{12100022131213} is an apocalyptic number.

It is an amenable number.

12100022131213 is a deficient number, since it is larger than the sum of its proper divisors (488934287).

12100022131213 is an equidigital number, since it uses as much as digits as its factorization.

12100022131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488934286.

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

Adding to 12100022131213 its reverse (31213122000121), we get a palindrome (43313144131334).

The spelling of 12100022131213 in words is "twelve trillion, one hundred billion, twenty-two million, one hundred thirty-one thousand, two hundred thirteen".