112212202211220 has 48 divisors (see below), whose sum is σ = 314301878085888. Its totient is φ = 29912995647360.

The previous prime is 112212202211191. The next prime is 112212202211231. The reversal of 112212202211220 is 22112202212211.

It is a super-4 number, since 4×112212202211220⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 320394636 + ... + 320744675.

It is an arithmetic number, because the mean of its divisors is an integer number (6547955793456).

Almost surely, 2^{112212202211220} is an apocalyptic number.

112212202211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212202211220 is an abundant number, since it is smaller than the sum of its proper divisors (202089675874668).

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

112212202211220 is a wasteful number, since it uses less digits than its factorization.

112212202211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641142240 (or 641142238 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112212202211220 its reverse (22112202212211), we get a palindrome (134324404423431).

Subtracting from 112212202211220 its reverse (22112202212211), we obtain a palindrome (90099999999009).

The spelling of 112212202211220 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred two million, two hundred eleven thousand, two hundred twenty".