1004477959212 has 288 divisors, whose sum is σ = 2981002594752. Its totient is φ = 260883431424.

The previous prime is 1004477959207. The next prime is 1004477959271. The reversal of 1004477959212 is 2129597744001.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 565265268 + ... + 565267044.

It is an arithmetic number, because the mean of its divisors is an integer number (10350703454).

Almost surely, 2^{1004477959212} is an apocalyptic number.

1004477959212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004477959212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490501297376).

1004477959212 is an abundant number, since it is smaller than the sum of its proper divisors (1976524635540).

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

1004477959212 is a wasteful number, since it uses less digits than its factorization.

1004477959212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897 (or 2888 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 1004477959212 in words is "one trillion, four billion, four hundred seventy-seven million, nine hundred fifty-nine thousand, two hundred twelve".