12021200221112 has 8 divisors (see below), whose sum is σ = 22539750414600. Its totient is φ = 6010600110552.

The previous prime is 12021200221099. The next prime is 12021200221171. The reversal of 12021200221112 is 21112200212021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751325013812 + ... + 751325013827.

It is an arithmetic number, because the mean of its divisors is an integer number (2817468801825).

Almost surely, 2^{12021200221112} is an apocalyptic number.

It is an amenable number.

12021200221112 is a deficient number, since it is larger than the sum of its proper divisors (10518550193488).

12021200221112 is a wasteful number, since it uses less digits than its factorization.

12021200221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502650027645 (or 1502650027641 counting only the distinct ones).

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

Adding to 12021200221112 its reverse (21112200212021), we get a palindrome (33133400433133).

Subtracting 12021200221112 from its reverse (21112200212021), we obtain a palindrome (9090999990909).

The spelling of 12021200221112 in words is "twelve trillion, twenty-one billion, two hundred million, two hundred twenty-one thousand, one hundred twelve".