112121213252 has 12 divisors (see below), whose sum is σ = 197415879696. Its totient is φ = 55716676200.

The previous prime is 112121213251. The next prime is 112121213333. The reversal of 112121213252 is 252312121211.

It is a super-2 number, since 2×112121213252² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112121213251) 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, 85981874 + ... + 85983177.

It is an arithmetic number, because the mean of its divisors is an integer number (16451323308).

Almost surely, 2^112121213252 is an apocalyptic number.

It is an amenable number.

112121213252 is a deficient number, since it is larger than the sum of its proper divisors (85294666444).

112121213252 is a wasteful number, since it uses less digits than its factorization.

112121213252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171965218 (or 171965216 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

Adding to 112121213252 its reverse (252312121211), we get a palindrome (364433334463).

The spelling of 112121213252 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred fifty-two".