320437135100812 has 12 divisors (see below), whose sum is σ = 566546068761400. Its totient is φ = 158566829740416.

The previous prime is 320437135100809. The next prime is 320437135100923. The reversal of 320437135100812 is 218001531734023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412934452062 + ... + 412934452837.

Almost surely, 2^{320437135100812} is an apocalyptic number.

It is an amenable number.

320437135100812 is a deficient number, since it is larger than the sum of its proper divisors (246108933660588).

320437135100812 is a wasteful number, since it uses less digits than its factorization.

320437135100812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825868905000 (or 825868904998 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 320437135100812 its reverse (218001531734023), we get a palindrome (538438666834835).

The spelling of 320437135100812 in words is "three hundred twenty trillion, four hundred thirty-seven billion, one hundred thirty-five million, one hundred thousand, eight hundred twelve".