12202021012112 has 20 divisors (see below), whose sum is σ = 23646822070140. Its totient is φ = 6099615316608.

The previous prime is 12202021012099. The next prime is 12202021012187. The reversal of 12202021012112 is 21121012020221.

It can be written as a sum of positive squares in 2 ways, for example, as 9179833470976 + 3022187541136 = 3029824^2 + 1738444^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87127187 + ... + 87267122.

It is an arithmetic number, because the mean of its divisors is an integer number (1182341103507).

Almost surely, 2^{12202021012112} is an apocalyptic number.

It is an amenable number.

12202021012112 is a deficient number, since it is larger than the sum of its proper divisors (11444801058028).

12202021012112 is a wasteful number, since it uses less digits than its factorization.

12202021012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174398690 (or 174398684 counting only the distinct ones).

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

Adding to 12202021012112 its reverse (21121012020221), we get a palindrome (33323033032333).

The spelling of 12202021012112 in words is "twelve trillion, two hundred two billion, twenty-one million, twelve thousand, one hundred twelve".