2115943412 has 12 divisors (see below), whose sum is σ = 4039528416. Its totient is φ = 961792440.

The previous prime is 2115943391. The next prime is 2115943421. The reversal of 2115943412 is 2143495112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24044768 + ... + 24044855.

It is an arithmetic number, because the mean of its divisors is an integer number (336627368).

Almost surely, 2^2115943412 is an apocalyptic number.

2115943412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115943412 is a deficient number, since it is larger than the sum of its proper divisors (1923585004).

2115943412 is a wasteful number, since it uses less digits than its factorization.

2115943412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48089638 (or 48089636 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 2115943412 is about 45999.3849089311. The cubic root of 2115943412 is about 1283.8117601072.

The spelling of 2115943412 in words is "two billion, one hundred fifteen million, nine hundred forty-three thousand, four hundred twelve".