112012010121220 has 48 divisors (see below), whose sum is σ = 257058735950016. Its totient is φ = 40660306128000.

The previous prime is 112012010121197. The next prime is 112012010121239. The reversal of 112012010121220 is 22121010210211.

It is a super-2 number, since 2×112012010121220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112012010121194 and 112012010121203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445711071 + ... + 445962310.

It is an arithmetic number, because the mean of its divisors is an integer number (5355390332292).

Almost surely, 2^{112012010121220} is an apocalyptic number.

112012010121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012010121220 is an abundant number, since it is smaller than the sum of its proper divisors (145046725828796).

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

112012010121220 is a wasteful number, since it uses less digits than its factorization.

112012010121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891673972 (or 891673970 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112012010121220 its reverse (22121010210211), we get a palindrome (134133020331431).

The spelling of 112012010121220 in words is "one hundred twelve trillion, twelve billion, ten million, one hundred twenty-one thousand, two hundred twenty".