1112012001 has 12 divisors (see below), whose sum is σ = 1607873280. Its totient is φ = 740587320.

The previous prime is 1112011997. The next prime is 1112012009. The reversal of 1112012001 is 1002102111.

It is a happy number.

It is not a de Polignac number, because 1112012001 - 2² = 1112011997 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 (1112012009) 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, 53421 + ... + 71258.

It is an arithmetic number, because the mean of its divisors is an integer number (133989440).

Almost surely, 2^1112012001 is an apocalyptic number.

It is an amenable number.

1112012001 is a deficient number, since it is larger than the sum of its proper divisors (495861279).

1112012001 is a wasteful number, since it uses less digits than its factorization.

1112012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125676 (or 125673 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1112012001 is about 33346.8439436178. The cubic root of 1112012001 is about 1036.0240204649.

Adding to 1112012001 its reverse (1002102111), we get a palindrome (2114114112).

The spelling of 1112012001 in words is "one billion, one hundred twelve million, twelve thousand, one".