912278018420 has 48 divisors (see below), whose sum is σ = 1986664487808. Its totient is φ = 351601637760.

The previous prime is 912278018419. The next prime is 912278018437. The reversal of 912278018420 is 24810872219.

It is a super-3 number, since 3×912278018420³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5908286 + ... + 6060725.

It is an arithmetic number, because the mean of its divisors is an integer number (41388843496).

Almost surely, 2^912278018420 is an apocalyptic number.

It is an amenable number.

912278018420 is an abundant number, since it is smaller than the sum of its proper divisors (1074386469388).

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

912278018420 is a wasteful number, since it uses less digits than its factorization.

912278018420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969160 (or 11969158 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 912278018420 in words is "nine hundred twelve billion, two hundred seventy-eight million, eighteen thousand, four hundred twenty".