919844960331212 has 12 divisors (see below), whose sum is σ = 1613463549911136. Its totient is φ = 458855374642320.

The previous prime is 919844960331179. The next prime is 919844960331259. The reversal of 919844960331212 is 212133069448919.

It is a happy number.

It is a super-2 number, since 2×919844960331212² (a number of 31 digits) contains 22 as substring.

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, 266776378883 + ... + 266776382330.

It is an arithmetic number, because the mean of its divisors is an integer number (134455295825928).

Almost surely, 2^{919844960331212} is an apocalyptic number.

It is an amenable number.

919844960331212 is a deficient number, since it is larger than the sum of its proper divisors (693618589579924).

919844960331212 is a wasteful number, since it uses less digits than its factorization.

919844960331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533552761648 (or 533552761646 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 919844960331212 in words is "nine hundred nineteen trillion, eight hundred forty-four billion, nine hundred sixty million, three hundred thirty-one thousand, two hundred twelve".