12212200021023 has 24 divisors (see below), whose sum is σ = 18677616411168. Its totient is φ = 7662501891072.

The previous prime is 12212200021019. The next prime is 12212200021097. The reversal of 12212200021023 is 32012000221221.

It is not a de Polignac number, because 12212200021023 - 2² = 12212200021019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12212200020987 and 12212200021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212200021123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36481015 + ... + 36814247.

It is an arithmetic number, because the mean of its divisors is an integer number (778234017132).

Almost surely, 2^{12212200021023} is an apocalyptic number.

12212200021023 is a deficient number, since it is larger than the sum of its proper divisors (6465416390145).

12212200021023 is a wasteful number, since it uses less digits than its factorization.

12212200021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572783 (or 572780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12212200021023 its reverse (32012000221221), we get a palindrome (44224200242244).

The spelling of 12212200021023 in words is "twelve trillion, two hundred twelve billion, two hundred million, twenty-one thousand, twenty-three".