210012201 has 12 divisors (see below), whose sum is σ = 346686912. Its totient is φ = 120006936.

The previous prime is 210012193. The next prime is 210012223. The reversal of 210012201 is 102210012.

It is not a de Polignac number, because 210012201 - 2³ = 210012193 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 (210012401) 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, 1666701 + ... + 1666826.

It is an arithmetic number, because the mean of its divisors is an integer number (28890576).

Almost surely, 2^210012201 is an apocalyptic number.

210012201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210012201 is a deficient number, since it is larger than the sum of its proper divisors (136674711).

210012201 is a wasteful number, since it uses less digits than its factorization.

210012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333540 (or 3333537 counting only the distinct ones).

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

The square root of 210012201 is about 14491.7977145694. The cubic root of 210012201 is about 594.4037064489.

Adding to 210012201 its reverse (102210012), we get a palindrome (312222213).

The spelling of 210012201 in words is "two hundred ten million, twelve thousand, two hundred one".