2115312310012 has 24 divisors (see below), whose sum is σ = 4038698361600. Its totient is φ = 961416342960.

The previous prime is 2115312309991. The next prime is 2115312310031. The reversal of 2115312310012 is 2100132135112.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1750758 + ... + 2701069.

It is an arithmetic number, because the mean of its divisors is an integer number (168279098400).

Almost surely, 2^{2115312310012} is an apocalyptic number.

2115312310012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2115312310012 is a deficient number, since it is larger than the sum of its proper divisors (1923386051588).

2115312310012 is a wasteful number, since it uses less digits than its factorization.

2115312310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462641 (or 4462639 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 2115312310012 its reverse (2100132135112), we get a palindrome (4215444445124).

The spelling of 2115312310012 in words is "two trillion, one hundred fifteen billion, three hundred twelve million, three hundred ten thousand, twelve".