112121002312 has 16 divisors (see below), whose sum is σ = 229338414000. Its totient is φ = 50964091920.

The previous prime is 112121002307. The next prime is 112121002319. The reversal of 112121002312 is 213200121211.

It is a super-2 number, since 2×112121002312² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121002319) 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, 637051062 + ... + 637051237.

It is an arithmetic number, because the mean of its divisors is an integer number (14333650875).

Almost surely, 2^112121002312 is an apocalyptic number.

It is an amenable number.

112121002312 is an abundant number, since it is smaller than the sum of its proper divisors (117217411688).

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

112121002312 is a wasteful number, since it uses less digits than its factorization.

112121002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274102316 (or 1274102312 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112121002312 its reverse (213200121211), we get a palindrome (325321123523).

The spelling of 112121002312 in words is "one hundred twelve billion, one hundred twenty-one million, two thousand, three hundred twelve".