2115995223412 has 96 divisors (see below), whose sum is σ = 4341208435200. Its totient is φ = 902064441600.

The previous prime is 2115995223379. The next prime is 2115995223421. The reversal of 2115995223412 is 2143225995112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395436537 + ... + 395441887.

It is an arithmetic number, because the mean of its divisors is an integer number (45220921200).

Almost surely, 2^{2115995223412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115995223412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170604217600).

2115995223412 is an abundant number, since it is smaller than the sum of its proper divisors (2225213211788).

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

2115995223412 is a wasteful number, since it uses less digits than its factorization.

2115995223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846 (or 6830 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The spelling of 2115995223412 in words is "two trillion, one hundred fifteen billion, nine hundred ninety-five million, two hundred twenty-three thousand, four hundred twelve".