34121220256 has 24 divisors (see below), whose sum is σ = 67185042624. Its totient is φ = 17058352320.

The previous prime is 34121220239. The next prime is 34121220359. The reversal of 34121220256 is 65202212143.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189801 + ... + 322903.

It is an arithmetic number, because the mean of its divisors is an integer number (2799376776).

Almost surely, 2^34121220256 is an apocalyptic number.

It is an amenable number.

34121220256 is a deficient number, since it is larger than the sum of its proper divisors (33063822368).

34121220256 is a wasteful number, since it uses less digits than its factorization.

34121220256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141124 (or 141116 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 34121220256 its reverse (65202212143), we get a palindrome (99323432399).

The spelling of 34121220256 in words is "thirty-four billion, one hundred twenty-one million, two hundred twenty thousand, two hundred fifty-six".