1039999999992 has 32 divisors (see below), whose sum is σ = 2713043479680. Its totient is φ = 331594202720.

The previous prime is 1039999999981. The next prime is 1040000000027. The reversal of 1039999999992 is 2999999999301.

It is a junction number, because it is equal to n+sod(n) for n = 1039999999899 and 1039999999908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942028434 + ... + 942029537.

It is an arithmetic number, because the mean of its divisors is an integer number (84782608740).

Almost surely, 2^{1039999999992} is an apocalyptic number.

1039999999992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1039999999992 is an abundant number, since it is smaller than the sum of its proper divisors (1673043479688).

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

1039999999992 is a wasteful number, since it uses less digits than its factorization.

1039999999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884058003 (or 1884057999 counting only the distinct ones).

The product of its (nonzero) digits is 2324522934, while the sum is 87.

The spelling of 1039999999992 in words is "one trillion, thirty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-two".