112121212119975 has 96 divisors (see below), whose sum is σ = 207924387612480. Its totient is φ = 59232708864000.

The previous prime is 112121212119971. The next prime is 112121212120003. The reversal of 112121212119975 is 579911212121211.

112121212119975 is a `hidden beast` number, since 1 + 121 + 212 + 121 + 199 + 7 + 5 = 666.

It is not a de Polignac number, because 112121212119975 - 2² = 112121212119971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 112121212119975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121212119971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41315955 + ... + 43945995.

It is an arithmetic number, because the mean of its divisors is an integer number (2165879037630).

Almost surely, 2^{112121212119975} is an apocalyptic number.

112121212119975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112121212119975 is a deficient number, since it is larger than the sum of its proper divisors (95803175492505).

112121212119975 is a wasteful number, since it uses less digits than its factorization.

112121212119975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630658 (or 2630647 counting only the distinct ones).

The product of its digits is 45360, while the sum is 45.

The spelling of 112121212119975 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twelve million, one hundred nineteen thousand, nine hundred seventy-five".