12100123013 has 4 divisors (see below), whose sum is σ = 13200134208. Its totient is φ = 11000111820.

The previous prime is 12100122977. The next prime is 12100123037. The reversal of 12100123013 is 31032100121.

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 12100123013 - 2⁶ = 12100122949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100123043) 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, 550005581 + ... + 550005602.

It is an arithmetic number, because the mean of its divisors is an integer number (3300033552).

Almost surely, 2^12100123013 is an apocalyptic number.

It is an amenable number.

12100123013 is a deficient number, since it is larger than the sum of its proper divisors (1100011195).

12100123013 is a wasteful number, since it uses less digits than its factorization.

12100123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100011194.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12100123013 its reverse (31032100121), we get a palindrome (43132223134).

The spelling of 12100123013 in words is "twelve billion, one hundred million, one hundred twenty-three thousand, thirteen".