34121213125 has 20 divisors (see below), whose sum is σ = 42667267104. Its totient is φ = 27278150000.

The previous prime is 34121213123. The next prime is 34121213129. The reversal of 34121213125 is 52131212143.

It is not a de Polignac number, because 34121213125 - 2¹ = 34121213123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34121213125.

It is a congruent number.

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

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 926310 + ... + 962440.

Almost surely, 2^34121213125 is an apocalyptic number.

It is an amenable number.

34121213125 is a deficient number, since it is larger than the sum of its proper divisors (8546053979).

34121213125 is an equidigital number, since it uses as much as digits as its factorization.

34121213125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662 (or 37647 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

Adding to 34121213125 its reverse (52131212143), we get a palindrome (86252425268).

The spelling of 34121213125 in words is "thirty-four billion, one hundred twenty-one million, two hundred thirteen thousand, one hundred twenty-five".