12221212000112 has 40 divisors (see below), whose sum is σ = 25073483672016. Its totient is φ = 5750693682176.

The previous prime is 12221212000103. The next prime is 12221212000121. The reversal of 12221212000112 is 21100021212221.

It is an interprime number because it is at equal distance from previous prime (12221212000103) and next prime (12221212000121).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 1566503 + ... + 5186169.

Almost surely, 2^{12221212000112} is an apocalyptic number.

It is an amenable number.

12221212000112 is an abundant number, since it is smaller than the sum of its proper divisors (12852271671904).

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

12221212000112 is a wasteful number, since it uses less digits than its factorization.

12221212000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632105 (or 3632099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12221212000112 its reverse (21100021212221), we get a palindrome (33321233212333).

The spelling of 12221212000112 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twelve", and thus it is an aban number.