1216014201 has 10 divisors (see below), whose sum is σ = 1816515162. Its totient is φ = 810676080.

The previous prime is 1216014187. The next prime is 1216014227. The reversal of 1216014201 is 1024106121.

1216014201 is a `hidden beast` number, since 1 + 21 + 601 + 42 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1043354601 + 172659600 = 32301^2 + 13140^2 .

It is not a de Polignac number, because 1216014201 - 2⁵ = 1216014169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1216014101) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7506180 + ... + 7506341.

Almost surely, 2^1216014201 is an apocalyptic number.

It is an amenable number.

1216014201 is a deficient number, since it is larger than the sum of its proper divisors (600500961).

1216014201 is an equidigital number, since it uses as much as digits as its factorization.

1216014201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012533 (or 15012524 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1216014201 is about 34871.3951685332. The cubic root of 1216014201 is about 1067.3648145134.

The spelling of 1216014201 in words is "one billion, two hundred sixteen million, fourteen thousand, two hundred one".