20212312200929 has 2 divisors, whose sum is σ = 20212312200930. Its totient is φ = 20212312200928.

The previous prime is 20212312200811. The next prime is 20212312200931. The reversal of 20212312200929 is 92900221321202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18604039297600 + 1608272903329 = 4313240^2 + 1268177^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212312200929 - 2²⁰ = 20212311152353 is a prime.

Together with 20212312200931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20212312200979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106156100464 + 10106156100465.

It is an arithmetic number, because the mean of its divisors is an integer number (10106156100465).

Almost surely, 2^{20212312200929} is an apocalyptic number.

It is an amenable number.

20212312200929 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212312200929 is an equidigital number, since it uses as much as digits as its factorization.

20212312200929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20212312200929 in words is "twenty trillion, two hundred twelve billion, three hundred twelve million, two hundred thousand, nine hundred twenty-nine".