1009229452812 has 72 divisors (see below), whose sum is σ = 2930202912000. Its totient is φ = 286902256608.

The previous prime is 1009229452801. The next prime is 1009229452841. The reversal of 1009229452812 is 2182549229001.

1009229452812 is a `hidden beast` number, since 1 + 0 + 0 + 9 + 22 + 94 + 528 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10012362 + ... + 10112657.

Almost surely, 2^{1009229452812} is an apocalyptic number.

1009229452812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1009229452812 is an abundant number, since it is smaller than the sum of its proper divisors (1920973459188).

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

1009229452812 is a wasteful number, since it uses less digits than its factorization.

1009229452812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20125235 (or 20125230 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 1009229452812 in words is "one trillion, nine billion, two hundred twenty-nine million, four hundred fifty-two thousand, eight hundred twelve".