12212121022023 has 32 divisors (see below), whose sum is σ = 18567599633856. Its totient is φ = 7072796049408.

The previous prime is 12212121021979. The next prime is 12212121022033. The reversal of 12212121022023 is 32022012121221.

It is not a de Polignac number, because 12212121022023 - 2¹⁸ = 12212120759879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212121022033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16516215 + ... + 17239767.

It is an arithmetic number, because the mean of its divisors is an integer number (580237488558).

Almost surely, 2^{12212121022023} is an apocalyptic number.

12212121022023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12212121022023 is a deficient number, since it is larger than the sum of its proper divisors (6355478611833).

12212121022023 is a wasteful number, since it uses less digits than its factorization.

12212121022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749043.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12212121022023 its reverse (32022012121221), we get a palindrome (44234133143244).

The spelling of 12212121022023 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-one million, twenty-two thousand, twenty-three".