12130120001 has 4 divisors (see below), whose sum is σ = 12168874692. Its totient is φ = 12091365312.

The previous prime is 12130119979. The next prime is 12130120003. The reversal of 12130120001 is 10002103121.

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 1885643776 + 10244476225 = 43424^2 + 101215^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130120001 - 2²² = 12125925697 is a prime.

It is a super-2 number, since 2×12130120001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12130120003) 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, 19376876 + ... + 19377501.

It is an arithmetic number, because the mean of its divisors is an integer number (3042218673).

Almost surely, 2^12130120001 is an apocalyptic number.

It is an amenable number.

12130120001 is a deficient number, since it is larger than the sum of its proper divisors (38754691).

12130120001 is an equidigital number, since it uses as much as digits as its factorization.

12130120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38754690.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12130120001 its reverse (10002103121), we get a palindrome (22132223122).

The spelling of 12130120001 in words is "twelve billion, one hundred thirty million, one hundred twenty thousand, one".