816281203132 has 12 divisors (see below), whose sum is σ = 1437045951600. Its totient is φ = 405696645536.

The previous prime is 816281203091. The next prime is 816281203141. The reversal of 816281203132 is 231302182618.

It is a junction number, because it is equal to n+sod(n) for n = 816281203091 and 816281203100.

It is a congruent 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, 610988257 + ... + 610989592.

It is an arithmetic number, because the mean of its divisors is an integer number (119753829300).

Almost surely, 2^816281203132 is an apocalyptic number.

It is an amenable number.

816281203132 is a deficient number, since it is larger than the sum of its proper divisors (620764748468).

816281203132 is a wasteful number, since it uses less digits than its factorization.

816281203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221978020 (or 1221978018 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 816281203132 in words is "eight hundred sixteen billion, two hundred eighty-one million, two hundred three thousand, one hundred thirty-two".