212300312312112 has 20 divisors (see below), whose sum is σ = 548442473473080. Its totient is φ = 70766770770688.

The previous prime is 212300312312093. The next prime is 212300312312117. The reversal of 212300312312112 is 211213213003212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (212300312312117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211461586537 + ... + 2211461586632.

It is an arithmetic number, because the mean of its divisors is an integer number (27422123673654).

Almost surely, 2^{212300312312112} is an apocalyptic number.

It is an amenable number.

212300312312112 is an abundant number, since it is smaller than the sum of its proper divisors (336142161160968).

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

212300312312112 is a wasteful number, since it uses less digits than its factorization.

212300312312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422923173180 (or 4422923173174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212300312312112 its reverse (211213213003212), we get a palindrome (423513525315324).

The spelling of 212300312312112 in words is "two hundred twelve trillion, three hundred billion, three hundred twelve million, three hundred twelve thousand, one hundred twelve".