1012002201 has 16 divisors (see below), whose sum is σ = 1713443200. Its totient is φ = 578286864.

The previous prime is 1012002191. The next prime is 1012002227. The reversal of 1012002201 is 1022002101.

It is not a de Polignac number, because 1012002201 - 2⁵ = 1012002169 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 (1012002701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2677066 + ... + 2677443.

It is an arithmetic number, because the mean of its divisors is an integer number (107090200).

Almost surely, 2^1012002201 is an apocalyptic number.

It is an amenable number.

1012002201 is a deficient number, since it is larger than the sum of its proper divisors (701440999).

1012002201 is an equidigital number, since it uses as much as digits as its factorization.

1012002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354525 (or 5354519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1012002201 is about 31811.9820350760. The cubic root of 1012002201 is about 1003.9848336757.

Adding to 1012002201 its reverse (1022002101), we get a palindrome (2034004302).

The spelling of 1012002201 in words is "one billion, twelve million, two thousand, two hundred one".