816942141292 has 12 divisors (see below), whose sum is σ = 1513745732520. Its totient is φ = 384443360576.

The previous prime is 816942141193. The next prime is 816942141311. The reversal of 816942141292 is 292141249618.

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, 6006927442 + ... + 6006927577.

It is an arithmetic number, because the mean of its divisors is an integer number (126145477710).

Almost surely, 2^816942141292 is an apocalyptic number.

It is an amenable number.

816942141292 is a deficient number, since it is larger than the sum of its proper divisors (696803591228).

816942141292 is a wasteful number, since it uses less digits than its factorization.

816942141292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013855040 (or 12013855038 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The spelling of 816942141292 in words is "eight hundred sixteen billion, nine hundred forty-two million, one hundred forty-one thousand, two hundred ninety-two".