212021011259 has 2 divisors, whose sum is σ = 212021011260. Its totient is φ = 212021011258.

The previous prime is 212021011177. The next prime is 212021011271. The reversal of 212021011259 is 952110120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212021011259 - 2¹⁶ = 212020945723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212021010259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010505629 + 106010505630.

It is an arithmetic number, because the mean of its divisors is an integer number (106010505630).

Almost surely, 2^212021011259 is an apocalyptic number.

212021011259 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021011259 is an equidigital number, since it uses as much as digits as its factorization.

212021011259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 212021011259 in words is "two hundred twelve billion, twenty-one million, eleven thousand, two hundred fifty-nine".