34012321021 has 8 divisors (see below), whose sum is σ = 40917078080. Its totient is φ = 27619027488.

The previous prime is 34012321001. The next prime is 34012321081. The reversal of 34012321021 is 12012321043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34012321021 - 2⁷ = 34012320893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34012321021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34012321001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127865736 + ... + 127866001.

It is an arithmetic number, because the mean of its divisors is an integer number (5114634760).

Almost surely, 2^34012321021 is an apocalyptic number.

It is an amenable number.

34012321021 is a deficient number, since it is larger than the sum of its proper divisors (6904757059).

34012321021 is a wasteful number, since it uses less digits than its factorization.

34012321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255731763.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 34012321021 its reverse (12012321043), we get a palindrome (46024642064).

The spelling of 34012321021 in words is "thirty-four billion, twelve million, three hundred twenty-one thousand, twenty-one".