34012221251 has 4 divisors (see below), whose sum is σ = 34931470512. Its totient is φ = 33092971992.

The previous prime is 34012221241. The next prime is 34012221311. The reversal of 34012221251 is 15212221043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34012221251 - 2²² = 34008026947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34012221241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459624575 + ... + 459624648.

It is an arithmetic number, because the mean of its divisors is an integer number (8732867628).

Almost surely, 2^34012221251 is an apocalyptic number.

34012221251 is a deficient number, since it is larger than the sum of its proper divisors (919249261).

34012221251 is an equidigital number, since it uses as much as digits as its factorization.

34012221251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919249260.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 34012221251 its reverse (15212221043), we get a palindrome (49224442294).

The spelling of 34012221251 in words is "thirty-four billion, twelve million, two hundred twenty-one thousand, two hundred fifty-one".