112012120221 has 8 divisors (see below), whose sum is σ = 149351040384. Its totient is φ = 74673973440.

The previous prime is 112012120159. The next prime is 112012120289. The reversal of 112012120221 is 122021210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112012120221 - 2⁷ = 112012120093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112012120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012120291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460005 + ... + 660021.

It is an arithmetic number, because the mean of its divisors is an integer number (18668880048).

Almost surely, 2^112012120221 is an apocalyptic number.

It is an amenable number.

112012120221 is a deficient number, since it is larger than the sum of its proper divisors (37338920163).

112012120221 is a wasteful number, since it uses less digits than its factorization.

112012120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386691.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112012120221 its reverse (122021210211), we get a palindrome (234033330432).

The spelling of 112012120221 in words is "one hundred twelve billion, twelve million, one hundred twenty thousand, two hundred twenty-one".