122312143400112 has 120 divisors (see below), whose sum is σ = 347163755597568. Its totient is φ = 40192026940800.

The previous prime is 122312143400099. The next prime is 122312143400123. The reversal of 122312143400112 is 211004341213221.

122312143400112 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 1 + 2 + 143 + 400 + 112 = 666.

It is a super-2 number, since 2×122312143400112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92288413 + ... + 93604355.

Almost surely, 2^{122312143400112} is an apocalyptic number.

122312143400112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122312143400112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173581877798784).

122312143400112 is an abundant number, since it is smaller than the sum of its proper divisors (224851612197456).

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

122312143400112 is a wasteful number, since it uses less digits than its factorization.

122312143400112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325119 (or 1325110 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 122312143400112 its reverse (211004341213221), we get a palindrome (333316484613333).

The spelling of 122312143400112 in words is "one hundred twenty-two trillion, three hundred twelve billion, one hundred forty-three million, four hundred thousand, one hundred twelve".