2111312412312 has 16 divisors (see below), whose sum is σ = 5278281030840. Its totient is φ = 703770804096.

The previous prime is 2111312412301. The next prime is 2111312412317. The reversal of 2111312412312 is 2132142131112.

It is a super-3 number, since 3×2111312412312³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 87971350513 = 2111312412312 / (2 + 1 + 1 + 1 + 3 + 1 + 2 + 4 + 1 + 2 + 3 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111312412317) 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, 43985675233 + ... + 43985675280.

Almost surely, 2^{2111312412312} is an apocalyptic number.

It is an amenable number.

2111312412312 is an abundant number, since it is smaller than the sum of its proper divisors (3166968618528).

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

2111312412312 is a wasteful number, since it uses less digits than its factorization.

2111312412312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87971350522 (or 87971350518 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 2111312412312 its reverse (2132142131112), we get a palindrome (4243454543424).

The spelling of 2111312412312 in words is "two trillion, one hundred eleven billion, three hundred twelve million, four hundred twelve thousand, three hundred twelve".