34121213121 has 4 divisors (see below), whose sum is σ = 45494950832. Its totient is φ = 22747475412.

The previous prime is 34121213117. The next prime is 34121213123. The reversal of 34121213121 is 12131212143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 34121213121 - 2² = 34121213117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34121213123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5686868851 + ... + 5686868856.

It is an arithmetic number, because the mean of its divisors is an integer number (11373737708).

Almost surely, 2^34121213121 is an apocalyptic number.

It is an amenable number.

34121213121 is a deficient number, since it is larger than the sum of its proper divisors (11373737711).

34121213121 is a wasteful number, since it uses less digits than its factorization.

34121213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373737710.

The product of its digits is 288, while the sum is 21.

Adding to 34121213121 its reverse (12131212143), we get a palindrome (46252425264).

The spelling of 34121213121 in words is "thirty-four billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred twenty-one".