1000028373912 has 24 divisors (see below), whose sum is σ = 2708410179540. Its totient is φ = 333342791280.

The previous prime is 1000028373863. The next prime is 1000028373919. The reversal of 1000028373912 is 2193738200001.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000028373919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6944641414 + ... + 6944641557.

Almost surely, 2^{1000028373912} is an apocalyptic number.

1000028373912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000028373912 is an abundant number, since it is smaller than the sum of its proper divisors (1708381805628).

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

1000028373912 is a wasteful number, since it uses less digits than its factorization.

1000028373912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13889282983 (or 13889282976 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 1000028373912 in words is "one trillion, twenty-eight million, three hundred seventy-three thousand, nine hundred twelve".