12122100013 has 4 divisors (see below), whose sum is σ = 12292833888. Its totient is φ = 11951366140.

The previous prime is 12122100007. The next prime is 12122100017. The reversal of 12122100013 is 31000122121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12122100013 - 2⁵ = 12122099981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122099966 and 12122100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122100017) 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, 85366831 + ... + 85366972.

It is an arithmetic number, because the mean of its divisors is an integer number (3073208472).

Almost surely, 2^12122100013 is an apocalyptic number.

It is an amenable number.

12122100013 is a deficient number, since it is larger than the sum of its proper divisors (170733875).

12122100013 is an equidigital number, since it uses as much as digits as its factorization.

12122100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170733874.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12122100013 its reverse (31000122121), we get a palindrome (43122222134).

The spelling of 12122100013 in words is "twelve billion, one hundred twenty-two million, one hundred thousand, thirteen".