612236255807 has 24 divisors (see below), whose sum is σ = 679897749216. Its totient is φ = 550839960000.

The previous prime is 612236255689. The next prime is 612236255923. The reversal of 612236255807 is 708552632216.

It is not a de Polignac number, because 612236255807 - 2¹⁴ = 612236239423 is a prime.

It is a super-3 number, since 3×612236255807³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612236252807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34173182 + ... + 34191092.

It is an arithmetic number, because the mean of its divisors is an integer number (28329072884).

Almost surely, 2^612236255807 is an apocalyptic number.

612236255807 is a deficient number, since it is larger than the sum of its proper divisors (67661493409).

612236255807 is a wasteful number, since it uses less digits than its factorization.

612236255807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831 (or 20820 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 612236255807 in words is "six hundred twelve billion, two hundred thirty-six million, two hundred fifty-five thousand, eight hundred seven".