120100121013 has 4 divisors (see below), whose sum is σ = 160133494688. Its totient is φ = 80066747340.

The previous prime is 120100120961. The next prime is 120100121059. The reversal of 120100121013 is 310121001021.

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 not a de Polignac number, because 120100121013 - 2⁸ = 120100120757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100121013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100121093) 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, 20016686833 + ... + 20016686838.

It is an arithmetic number, because the mean of its divisors is an integer number (40033373672).

Almost surely, 2^120100121013 is an apocalyptic number.

It is an amenable number.

120100121013 is a deficient number, since it is larger than the sum of its proper divisors (40033373675).

120100121013 is an equidigital number, since it uses as much as digits as its factorization.

120100121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40033373674.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 120100121013 its reverse (310121001021), we get a palindrome (430221122034).

The spelling of 120100121013 in words is "one hundred twenty billion, one hundred million, one hundred twenty-one thousand, thirteen".