12120410434 has 16 divisors (see below), whose sum is σ = 20015360640. Its totient is φ = 5458732560.

The previous prime is 12120410429. The next prime is 12120410453. The reversal of 12120410434 is 43401402121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2524794 + ... + 2529589.

It is an arithmetic number, because the mean of its divisors is an integer number (1250960040).

Almost surely, 2^12120410434 is an apocalyptic number.

12120410434 is a deficient number, since it is larger than the sum of its proper divisors (7894950206).

12120410434 is a wasteful number, since it uses less digits than its factorization.

12120410434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054505.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12120410434 its reverse (43401402121), we get a palindrome (55521812555).

The spelling of 12120410434 in words is "twelve billion, one hundred twenty million, four hundred ten thousand, four hundred thirty-four".