12203213132021 has 2 divisors, whose sum is σ = 12203213132022. Its totient is φ = 12203213132020.

The previous prime is 12203213131999. The next prime is 12203213132137. The reversal of 12203213132021 is 12023131230221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8316850371025 + 3886362760996 = 2883895^2 + 1971386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12203213132021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12203213135021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101606566010 + 6101606566011.

It is an arithmetic number, because the mean of its divisors is an integer number (6101606566011).

Almost surely, 2^{12203213132021} is an apocalyptic number.

It is an amenable number.

12203213132021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203213132021 is an equidigital number, since it uses as much as digits as its factorization.

12203213132021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12203213132021 its reverse (12023131230221), we get a palindrome (24226344362242).

The spelling of 12203213132021 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, one hundred thirty-two thousand, twenty-one".