12220220020112 has 40 divisors (see below), whose sum is σ = 26119860539640. Its totient is φ = 5502538091520.

The previous prime is 12220220020097. The next prime is 12220220020123. The reversal of 12220220020112 is 21102002202221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2134158687376 + 10086061332736 = 1460876^2 + 3175856^2 .

It is a super-2 number, since 2×12220220020112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716467787 + ... + 716484842.

It is an arithmetic number, because the mean of its divisors is an integer number (652996513491).

Almost surely, 2^{12220220020112} is an apocalyptic number.

It is an amenable number.

12220220020112 is an abundant number, since it is smaller than the sum of its proper divisors (13899640519528).

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

12220220020112 is a wasteful number, since it uses less digits than its factorization.

12220220020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432952691 (or 1432952685 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220220020112 its reverse (21102002202221), we get a palindrome (33322222222333).

The spelling of 12220220020112 in words is "twelve trillion, two hundred twenty billion, two hundred twenty million, twenty thousand, one hundred twelve".