612271028172442 has 32 divisors (see below), whose sum is σ = 939782515392000. Its totient is φ = 299092523079168.

The previous prime is 612271028172421. The next prime is 612271028172667. The reversal of 612271028172442 is 244271820172216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85176184 + ... + 92084332.

It is an arithmetic number, because the mean of its divisors is an integer number (29368203606000).

Almost surely, 2^{612271028172442} is an apocalyptic number.

612271028172442 is a deficient number, since it is larger than the sum of its proper divisors (327511487219558).

612271028172442 is a wasteful number, since it uses less digits than its factorization.

612271028172442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914110.

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 612271028172442 in words is "six hundred twelve trillion, two hundred seventy-one billion, twenty-eight million, one hundred seventy-two thousand, four hundred forty-two".