112131023412 has 24 divisors (see below), whose sum is σ = 261681005376. Its totient is φ = 37371014848.

The previous prime is 112131023399. The next prime is 112131023467. The reversal of 112131023412 is 214320131211.

It is a super-3 number, since 3×112131023412³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670833 + ... + 821144.

It is an arithmetic number, because the mean of its divisors is an integer number (10903375224).

Almost surely, 2^112131023412 is an apocalyptic number.

112131023412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112131023412 is an abundant number, since it is smaller than the sum of its proper divisors (149549981964).

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

112131023412 is a wasteful number, since it uses less digits than its factorization.

112131023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498247 (or 1498245 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 112131023412 its reverse (214320131211), we get a palindrome (326451154623).

The spelling of 112131023412 in words is "one hundred twelve billion, one hundred thirty-one million, twenty-three thousand, four hundred twelve".