212112119999999 has 4 divisors (see below), whose sum is σ = 214495402247280. Its totient is φ = 209728837752720.

The previous prime is 212112119999893. The next prime is 212112120000013. The reversal of 212112119999999 is 999999911211212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212112119999999 - 2⁸ = 212112119999743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112119999599) 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, 1191641123507 + ... + 1191641123684.

It is an arithmetic number, because the mean of its divisors is an integer number (53623850561820).

Almost surely, 2^{212112119999999} is an apocalyptic number.

212112119999999 is a deficient number, since it is larger than the sum of its proper divisors (2383282247281).

212112119999999 is an equidigital number, since it uses as much as digits as its factorization.

212112119999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383282247280.

The product of its digits is 38263752, while the sum is 74.

The spelling of 212112119999999 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred ninety-nine".