16312212390244 has 9 divisors (see below), whose sum is σ = 28546385818867. Its totient is φ = 8156102156284.

The previous prime is 16312212390233. The next prime is 16312212390251. The reversal of 16312212390244 is 44209321221361.

The square root of 16312212390244 is 4038838.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16312212390197 and 16312212390206.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7067967 + ... + 9087385.

Almost surely, 2^{16312212390244} is an apocalyptic number.

16312212390244 is the 4038838-th square number.

It is an amenable number.

16312212390244 is a deficient number, since it is larger than the sum of its proper divisors (12234173428623).

16312212390244 is an frugal number, since it uses more digits than its factorization.

16312212390244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038842 (or 2019421 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 16312212390244 in words is "sixteen trillion, three hundred twelve billion, two hundred twelve million, three hundred ninety thousand, two hundred forty-four".