20021212010959 has 2 divisors, whose sum is σ = 20021212010960. Its totient is φ = 20021212010958.

The previous prime is 20021212010873. The next prime is 20021212011041. The reversal of 20021212010959 is 95901021212002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20021212010959 - 2⁹ = 20021212010447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021212014959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010606005479 + 10010606005480.

It is an arithmetic number, because the mean of its divisors is an integer number (10010606005480).

Almost surely, 2^{20021212010959} is an apocalyptic number.

20021212010959 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021212010959 is an equidigital number, since it uses as much as digits as its factorization.

20021212010959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 20021212010959 in words is "twenty trillion, twenty-one billion, two hundred twelve million, ten thousand, nine hundred fifty-nine".