612162201 has 16 divisors (see below), whose sum is σ = 933704064. Its totient is φ = 349474944.

The previous prime is 612162193. The next prime is 612162209. The reversal of 612162201 is 102261216.

It is an interprime number because it is at equal distance from previous prime (612162193) and next prime (612162209).

It is not a de Polignac number, because 612162201 - 2³ = 612162193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (612162209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9751 + ... + 36323.

It is an arithmetic number, because the mean of its divisors is an integer number (58356504).

Almost surely, 2^612162201 is an apocalyptic number.

It is an amenable number.

612162201 is a deficient number, since it is larger than the sum of its proper divisors (321541863).

612162201 is a wasteful number, since it uses less digits than its factorization.

612162201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27680.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 612162201 is about 24741.9118299294. The cubic root of 612162201 is about 849.0934745951.

The spelling of 612162201 in words is "six hundred twelve million, one hundred sixty-two thousand, two hundred one".