212303120312112 has 80 divisors (see below), whose sum is σ = 551701475274240. Its totient is φ = 70348247316736.

The previous prime is 212303120312111. The next prime is 212303120312123. The reversal of 212303120312112 is 211213021303212.

It is a super-2 number, since 2×212303120312112² (a number of 29 digits) contains 22 as substring.

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 (212303120312111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54407113 + ... + 58178519.

It is an arithmetic number, because the mean of its divisors is an integer number (6896268440928).

Almost surely, 2^{212303120312112} is an apocalyptic number.

It is an amenable number.

212303120312112 is an abundant number, since it is smaller than the sum of its proper divisors (339398354962128).

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

212303120312112 is a wasteful number, since it uses less digits than its factorization.

212303120312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778370 (or 3778364 counting only the distinct ones).

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

Adding to 212303120312112 its reverse (211213021303212), we get a palindrome (423516141615324).

The spelling of 212303120312112 in words is "two hundred twelve trillion, three hundred three billion, one hundred twenty million, three hundred twelve thousand, one hundred twelve".