612303981201 has 36 divisors (see below), whose sum is σ = 972375083316. Its totient is φ = 371008186560.

The previous prime is 612303981187. The next prime is 612303981209. The reversal of 612303981201 is 102189303216.

612303981201 is a `hidden beast` number, since 61 + 2 + 3 + 0 + 398 + 1 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 206788467600 + 405515513601 = 454740^2 + 636801^2 .

It is not a de Polignac number, because 612303981201 - 2⁷ = 612303981073 is a prime.

It is a super-2 number, since 2×612303981201² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612303981209) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4856775 + ... + 4981251.

It is an arithmetic number, because the mean of its divisors is an integer number (27010418981).

Almost surely, 2^612303981201 is an apocalyptic number.

It is an amenable number.

612303981201 is a deficient number, since it is larger than the sum of its proper divisors (360071102115).

612303981201 is a wasteful number, since it uses less digits than its factorization.

612303981201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129022 (or 129008 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 612303981201 in words is "six hundred twelve billion, three hundred three million, nine hundred eighty-one thousand, two hundred one".