2312112234389 has 2 divisors, whose sum is σ = 2312112234390. Its totient is φ = 2312112234388.

The previous prime is 2312112234379. The next prime is 2312112234427. The reversal of 2312112234389 is 9834322112132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1432849698289 + 879262536100 = 1197017^2 + 937690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312112234389 - 2¹² = 2312112230293 is a prime.

It is a super-2 number, since 2×2312112234389² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312112234359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156056117194 + 1156056117195.

It is an arithmetic number, because the mean of its divisors is an integer number (1156056117195).

Almost surely, 2^{2312112234389} is an apocalyptic number.

It is an amenable number.

2312112234389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312112234389 is an equidigital number, since it uses as much as digits as its factorization.

2312112234389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The spelling of 2312112234389 in words is "two trillion, three hundred twelve billion, one hundred twelve million, two hundred thirty-four thousand, three hundred eighty-nine".