840316740012 has 18 divisors (see below), whose sum is σ = 2124133981788. Its totient is φ = 280105579992.

The previous prime is 840316739971. The next prime is 840316740073. The reversal of 840316740012 is 210047613048.

840316740012 is a `hidden beast` number, since 84 + 0 + 3 + 167 + 400 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×840316740012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 23342131667 = 840316740012 / (8 + 4 + 0 + 3 + 1 + 6 + 7 + 4 + 0 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11671065798 + ... + 11671065869.

Almost surely, 2^840316740012 is an apocalyptic number.

It is an amenable number.

840316740012 is an abundant number, since it is smaller than the sum of its proper divisors (1283817241776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

840316740012 is a wasteful number, since it uses less digits than its factorization.

840316740012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23342131677 (or 23342131672 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 840316740012 in words is "eight hundred forty billion, three hundred sixteen million, seven hundred forty thousand, twelve".