612205623431 has 16 divisors (see below), whose sum is σ = 636884156160. Its totient is φ = 587771036160.

The previous prime is 612205623413. The next prime is 612205623439. The reversal of 612205623431 is 134326502216.

It is a cyclic number.

It is not a de Polignac number, because 612205623431 - 2¹⁰ = 612205622407 is a prime.

It is a super-2 number, since 2×612205623431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612205623391 and 612205623400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612205623439) 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, 5643701 + ... + 5751153.

It is an arithmetic number, because the mean of its divisors is an integer number (39805259760).

Almost surely, 2^612205623431 is an apocalyptic number.

612205623431 is a deficient number, since it is larger than the sum of its proper divisors (24678532729).

612205623431 is a wasteful number, since it uses less digits than its factorization.

612205623431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108586.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 612205623431 in words is "six hundred twelve billion, two hundred five million, six hundred twenty-three thousand, four hundred thirty-one".