34220012321 has 16 divisors (see below), whose sum is σ = 37675680000. Its totient is φ = 30822714000.

The previous prime is 34220012269. The next prime is 34220012399. The reversal of 34220012321 is 12321002243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34220012321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34220012293 and 34220012302.

It is not an unprimeable number, because it can be changed into a prime (34220212321) 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 15 ways as a sum of consecutive naturals, for example, 740546 + ... + 785396.

It is an arithmetic number, because the mean of its divisors is an integer number (2354730000).

Almost surely, 2^34220012321 is an apocalyptic number.

It is an amenable number.

34220012321 is a deficient number, since it is larger than the sum of its proper divisors (3455667679).

34220012321 is a wasteful number, since it uses less digits than its factorization.

34220012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45500.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 34220012321 its reverse (12321002243), we get a palindrome (46541014564).

The spelling of 34220012321 in words is "thirty-four billion, two hundred twenty million, twelve thousand, three hundred twenty-one".