3112212200220 has 36 divisors (see below), whose sum is σ = 9440377007880. Its totient is φ = 829923253344.

The previous prime is 3112212200159. The next prime is 3112212200309. The reversal of 3112212200220 is 220022122113.

3112212200220 is a `hidden beast` number, since 3 + 1 + 1 + 221 + 220 + 0 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×3112212200220³ (a number of 38 digits) contains 333 as substring.

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 = 3112212200193 and 3112212200202.

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 11 ways as a sum of consecutive naturals, for example, 8645033710 + ... + 8645034069.

Almost surely, 2^{3112212200220} is an apocalyptic number.

3112212200220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3112212200220 is an abundant number, since it is smaller than the sum of its proper divisors (6328164807660).

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

3112212200220 is a wasteful number, since it uses less digits than its factorization.

3112212200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290067794 (or 17290067789 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3112212200220 its reverse (220022122113), we get a palindrome (3332234322333).

The spelling of 3112212200220 in words is "three trillion, one hundred twelve billion, two hundred twelve million, two hundred thousand, two hundred twenty".