12212020439 has 2 divisors, whose sum is σ = 12212020440. Its totient is φ = 12212020438.

The previous prime is 12212020427. The next prime is 12212020501. The reversal of 12212020439 is 93402021221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12212020439 - 2²⁴ = 12195243223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212020409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106010219 + 6106010220.

It is an arithmetic number, because the mean of its divisors is an integer number (6106010220).

Almost surely, 2^12212020439 is an apocalyptic number.

12212020439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212020439 is an equidigital number, since it uses as much as digits as its factorization.

12212020439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12212020439 in words is "twelve billion, two hundred twelve million, twenty thousand, four hundred thirty-nine".