20000212213279 has 2 divisors, whose sum is σ = 20000212213280. Its totient is φ = 20000212213278.

The previous prime is 20000212213199. The next prime is 20000212213301. The reversal of 20000212213279 is 97231221200002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20000212213279 - 2⁹ = 20000212212767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000212213279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000212213379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000106106639 + 10000106106640.

It is an arithmetic number, because the mean of its divisors is an integer number (10000106106640).

Almost surely, 2^{20000212213279} is an apocalyptic number.

20000212213279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000212213279 is an equidigital number, since it uses as much as digits as its factorization.

20000212213279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 20000212213279 in words is "twenty trillion, two hundred twelve million, two hundred thirteen thousand, two hundred seventy-nine".