112202012201220 has 144 divisors (see below), whose sum is σ = 343545735274560. Its totient is φ = 29639280953088.

The previous prime is 112202012201207. The next prime is 112202012201233. The reversal of 112202012201220 is 22102210202211.

It is a happy number.

112202012201220 is a `hidden beast` number, since 1 + 1 + 2 + 20 + 201 + 220 + 1 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (112202012201207) and next prime (112202012201233).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112202012201193 and 112202012201202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374052619 + ... + 374352461.

It is an arithmetic number, because the mean of its divisors is an integer number (2385734272740).

Almost surely, 2^{112202012201220} is an apocalyptic number.

112202012201220 is a gapful number since it is divisible by the number (10) 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 112202012201220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171772867637280).

112202012201220 is an abundant number, since it is smaller than the sum of its proper divisors (231343723073340).

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

112202012201220 is a wasteful number, since it uses less digits than its factorization.

112202012201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319394 (or 319389 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112202012201220 its reverse (22102210202211), we get a palindrome (134304222403431).

The spelling of 112202012201220 in words is "one hundred twelve trillion, two hundred two billion, twelve million, two hundred one thousand, two hundred twenty".