612178142241 has 32 divisors (see below), whose sum is σ = 878869087488. Its totient is φ = 378072949760.

The previous prime is 612178142239. The next prime is 612178142263. The reversal of 612178142241 is 142241871216.

It is a cyclic number.

It is not a de Polignac number, because 612178142241 - 2¹ = 612178142239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612178142241.

It is not an unprimeable number, because it can be changed into a prime (612178142041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402186 + ... + 1177331.

It is an arithmetic number, because the mean of its divisors is an integer number (27464658984).

Almost surely, 2^612178142241 is an apocalyptic number.

It is an amenable number.

612178142241 is a deficient number, since it is larger than the sum of its proper divisors (266690945247).

612178142241 is a wasteful number, since it uses less digits than its factorization.

612178142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579721.

The product of its digits is 43008, while the sum is 39.

The spelling of 612178142241 in words is "six hundred twelve billion, one hundred seventy-eight million, one hundred forty-two thousand, two hundred forty-one".