12212120111000 has 64 divisors (see below), whose sum is σ = 28584111872160. Its totient is φ = 4883523120000.

The previous prime is 12212120110973. The next prime is 12212120111033. The reversal of 12212120111000 is 11102121221.

12212120111000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2036690 + ... + 5345310.

Almost surely, 2^{12212120111000} is an apocalyptic number.

12212120111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212120111000 is an abundant number, since it is smaller than the sum of its proper divisors (16371991761160).

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

12212120111000 is a wasteful number, since it uses less digits than its factorization.

12212120111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312333 (or 3312319 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12212120111000 its reverse (11102121221), we get a palindrome (12223222232221).

The spelling of 12212120111000 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred eleven thousand".