34212012391 has 2 divisors, whose sum is σ = 34212012392. Its totient is φ = 34212012390.

The previous prime is 34212012361. The next prime is 34212012413. The reversal of 34212012391 is 19321021243.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19321021243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34212012391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34212012361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17106006195 + 17106006196.

It is an arithmetic number, because the mean of its divisors is an integer number (17106006196).

Almost surely, 2^34212012391 is an apocalyptic number.

34212012391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34212012391 is an equidigital number, since it uses as much as digits as its factorization.

34212012391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 34212012391 in words is "thirty-four billion, two hundred twelve million, twelve thousand, three hundred ninety-one".