1279694033112 has 32 divisors (see below), whose sum is σ = 3490074636480. Its totient is φ = 387786070560.

The previous prime is 1279694033099. The next prime is 1279694033119. The reversal of 1279694033112 is 2113304969721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279694033119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2423662678 + ... + 2423663205.

It is an arithmetic number, because the mean of its divisors is an integer number (109064832390).

Almost surely, 2^{1279694033112} is an apocalyptic number.

1279694033112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1279694033112 is an abundant number, since it is smaller than the sum of its proper divisors (2210380603368).

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

1279694033112 is a wasteful number, since it uses less digits than its factorization.

1279694033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847325903 (or 4847325899 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 1279694033112 in words is "one trillion, two hundred seventy-nine billion, six hundred ninety-four million, thirty-three thousand, one hundred twelve".