212003021239 has 2 divisors, whose sum is σ = 212003021240. Its totient is φ = 212003021238.

The previous prime is 212003021221. The next prime is 212003021287. The reversal of 212003021239 is 932120300212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212003021239 - 2³⁵ = 177643282871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212003021639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001510619 + 106001510620.

It is an arithmetic number, because the mean of its divisors is an integer number (106001510620).

Almost surely, 2^212003021239 is an apocalyptic number.

212003021239 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003021239 is an equidigital number, since it uses as much as digits as its factorization.

212003021239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 212003021239 in words is "two hundred twelve billion, three million, twenty-one thousand, two hundred thirty-nine".