12013100001 has 12 divisors (see below), whose sum is σ = 19831149312. Its totient is φ = 6864628536.

The previous prime is 12013099979. The next prime is 12013100009. The reversal of 12013100001 is 10000131021.

It is not a de Polignac number, because 12013100001 - 2⁷ = 12013099873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12013100009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95342001 + ... + 95342126.

It is an arithmetic number, because the mean of its divisors is an integer number (1652595776).

Almost surely, 2^12013100001 is an apocalyptic number.

It is an amenable number.

12013100001 is a deficient number, since it is larger than the sum of its proper divisors (7818049311).

12013100001 is a wasteful number, since it uses less digits than its factorization.

12013100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190684140 (or 190684137 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12013100001 its reverse (10000131021), we get a palindrome (22013231022).

The spelling of 12013100001 in words is "twelve billion, thirteen million, one hundred thousand, one".