200012111413421 has 2 divisors, whose sum is σ = 200012111413422. Its totient is φ = 200012111413420.

The previous prime is 200012111413417. The next prime is 200012111413427. The reversal of 200012111413421 is 124314111210002.

200012111413421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156355367757796 + 43656743655625 = 12504214^2 + 6607325^2 .

It is a cyclic number.

It is not a de Polignac number, because 200012111413421 - 2² = 200012111413417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200012111413427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100006055706710 + 100006055706711.

It is an arithmetic number, because the mean of its divisors is an integer number (100006055706711).

Almost surely, 2^{200012111413421} is an apocalyptic number.

It is an amenable number.

200012111413421 is a deficient number, since it is larger than the sum of its proper divisors (1).

200012111413421 is an equidigital number, since it uses as much as digits as its factorization.

200012111413421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 200012111413421 its reverse (124314111210002), we get a palindrome (324326222623423).

The spelling of 200012111413421 in words is "two hundred trillion, twelve billion, one hundred eleven million, four hundred thirteen thousand, four hundred twenty-one".