12120434513 has 8 divisors (see below), whose sum is σ = 13223471520. Its totient is φ = 11017594080.

The previous prime is 12120434509. The next prime is 12120434519. The reversal of 12120434513 is 31543402121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120434513 - 2² = 12120434509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120434519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99293 + ... + 184661.

It is an arithmetic number, because the mean of its divisors is an integer number (1652933940).

Almost surely, 2^12120434513 is an apocalyptic number.

It is an amenable number.

12120434513 is a deficient number, since it is larger than the sum of its proper divisors (1103037007).

12120434513 is a wasteful number, since it uses less digits than its factorization.

12120434513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98287.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 12120434513 its reverse (31543402121), we get a palindrome (43663836634).

The spelling of 12120434513 in words is "twelve billion, one hundred twenty million, four hundred thirty-four thousand, five hundred thirteen".