12013111001 has 8 divisors (see below), whose sum is σ = 12105690240. Its totient is φ = 11920619952.

The previous prime is 12013110997. The next prime is 12013111027. The reversal of 12013111001 is 10011131021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12013111001 - 2² = 12013110997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013111051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265811 + ... + 307703.

It is an arithmetic number, because the mean of its divisors is an integer number (1513211280).

Almost surely, 2^12013111001 is an apocalyptic number.

It is an amenable number.

12013111001 is a deficient number, since it is larger than the sum of its proper divisors (92579239).

12013111001 is a wasteful number, since it uses less digits than its factorization.

12013111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44095.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 12013111001 its reverse (10011131021), we get a palindrome (22024242022).

The spelling of 12013111001 in words is "twelve billion, thirteen million, one hundred eleven thousand, one".