612227243378355 has 32 divisors (see below), whose sum is σ = 1068902165168640. Its totient is φ = 296757634567680.

The previous prime is 612227243378339. The next prime is 612227243378389. The reversal of 612227243378355 is 553873342722216.

It is not a de Polignac number, because 612227243378355 - 2⁴ = 612227243378339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498239302 + ... + 499466571.

It is an arithmetic number, because the mean of its divisors is an integer number (33403192661520).

Almost surely, 2^{612227243378355} is an apocalyptic number.

612227243378355 is a deficient number, since it is larger than the sum of its proper divisors (456674921790285).

612227243378355 is a wasteful number, since it uses less digits than its factorization.

612227243378355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997709611.

The product of its digits is 101606400, while the sum is 60.

The spelling of 612227243378355 in words is "six hundred twelve trillion, two hundred twenty-seven billion, two hundred forty-three million, three hundred seventy-eight thousand, three hundred fifty-five".