34121213123 has 2 divisors, whose sum is σ = 34121213124. Its totient is φ = 34121213122.

The previous prime is 34121213117. The next prime is 34121213129. The reversal of 34121213123 is 32131212143.

It is a balanced prime because it is at equal distance from previous prime (34121213117) and next prime (34121213129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34121213123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (34121213129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17060606561 + 17060606562.

It is an arithmetic number, because the mean of its divisors is an integer number (17060606562).

Almost surely, 2^34121213123 is an apocalyptic number.

34121213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

34121213123 is an equidigital number, since it uses as much as digits as its factorization.

34121213123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 34121213123 its reverse (32131212143), we get a palindrome (66252425266).

The spelling of 34121213123 in words is "thirty-four billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred twenty-three".