12425420433 has 16 divisors (see below), whose sum is σ = 17332715520. Its totient is φ = 7902751824.

The previous prime is 12425420389. The next prime is 12425420453. The reversal of 12425420433 is 33402452421.

It is not a de Polignac number, because 12425420433 - 2²¹ = 12423323281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12425420433.

It is not an unprimeable number, because it can be changed into a prime (12425420453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208663 + ... + 261516.

It is an arithmetic number, because the mean of its divisors is an integer number (1083294720).

Almost surely, 2^12425420433 is an apocalyptic number.

It is an amenable number.

12425420433 is a deficient number, since it is larger than the sum of its proper divisors (4907295087).

12425420433 is a wasteful number, since it uses less digits than its factorization.

12425420433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470588.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 12425420433 its reverse (33402452421), we get a palindrome (45827872854).

The spelling of 12425420433 in words is "twelve billion, four hundred twenty-five million, four hundred twenty thousand, four hundred thirty-three".