999477519302812 has 48 divisors (see below), whose sum is σ = 1922280358588128. Its totient is φ = 450931021470720.

The previous prime is 999477519302797. The next prime is 999477519302831. The reversal of 999477519302812 is 218203915774999.

It is a super-2 number, since 2×999477519302812² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33532258 + ... + 55887094.

It is an arithmetic number, because the mean of its divisors is an integer number (40047507470586).

Almost surely, 2^{999477519302812} is an apocalyptic number.

It is an amenable number.

999477519302812 is a deficient number, since it is larger than the sum of its proper divisors (922802839285316).

999477519302812 is a wasteful number, since it uses less digits than its factorization.

999477519302812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22362406 (or 22362404 counting only the distinct ones).

The product of its (nonzero) digits is 617258880, while the sum is 76.

The spelling of 999477519302812 in words is "nine hundred ninety-nine trillion, four hundred seventy-seven billion, five hundred nineteen million, three hundred two thousand, eight hundred twelve".