1279103412 has 12 divisors (see below), whose sum is σ = 2984574656. Its totient is φ = 426367800.

The previous prime is 1279103407. The next prime is 1279103417. The reversal of 1279103412 is 2143019721.

It is an interprime number because it is at equal distance from previous prime (1279103407) and next prime (1279103417).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1279103412² = 3272211077180083488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1279103412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279103417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53295964 + ... + 53295987.

Almost surely, 2^1279103412 is an apocalyptic number.

1279103412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1279103412 is an abundant number, since it is smaller than the sum of its proper divisors (1705471244).

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

1279103412 is a wasteful number, since it uses less digits than its factorization.

1279103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106591958 (or 106591956 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1279103412 is about 35764.5552467803. Note that the first 3 decimals coincide. The cubic root of 1279103412 is about 1085.5134755210.

The spelling of 1279103412 in words is "one billion, two hundred seventy-nine million, one hundred three thousand, four hundred twelve".