1273948384822 has 4 divisors (see below), whose sum is σ = 1910922577236. Its totient is φ = 636974192410.

The previous prime is 1273948384729. The next prime is 1273948384831. The reversal of 1273948384822 is 2284838493721.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318487096204 + ... + 318487096207.

It is an arithmetic number, because the mean of its divisors is an integer number (477730644309).

Almost surely, 2^{1273948384822} is an apocalyptic number.

1273948384822 is a deficient number, since it is larger than the sum of its proper divisors (636974192414).

1273948384822 is an equidigital number, since it uses as much as digits as its factorization.

1273948384822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636974192413.

The product of its digits is 37158912, while the sum is 61.

The spelling of 1273948384822 in words is "one trillion, two hundred seventy-three billion, nine hundred forty-eight million, three hundred eighty-four thousand, eight hundred twenty-two".