612180231 has 8 divisors (see below), whose sum is σ = 879028080. Its totient is φ = 376726272.

The previous prime is 612180229. The next prime is 612180287. The reversal of 612180231 is 132081216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612180231 - 2¹ = 612180229 is a prime.

It is a super-2 number, since 2×612180231² = 749529270454426722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612180211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7848426 + ... + 7848503.

It is an arithmetic number, because the mean of its divisors is an integer number (109878510).

Almost surely, 2^612180231 is an apocalyptic number.

612180231 is a deficient number, since it is larger than the sum of its proper divisors (266847849).

612180231 is a wasteful number, since it uses less digits than its factorization.

612180231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15696945.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 612180231 is about 24742.2761887422. The cubic root of 612180231 is about 849.1018106238.

The spelling of 612180231 in words is "six hundred twelve million, one hundred eighty thousand, two hundred thirty-one".