12425236220 has 12 divisors (see below), whose sum is σ = 26092996104. Its totient is φ = 4970094480.

The previous prime is 12425236163. The next prime is 12425236223. The reversal of 12425236220 is 2263252421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425236223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310630886 + ... + 310630925.

It is an arithmetic number, because the mean of its divisors is an integer number (2174416342).

Almost surely, 2^12425236220 is an apocalyptic number.

12425236220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12425236220 is an abundant number, since it is smaller than the sum of its proper divisors (13667759884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12425236220 is a wasteful number, since it uses less digits than its factorization.

12425236220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621261820 (or 621261818 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12425236220 its reverse (2263252421), we get a palindrome (14688488641).

The spelling of 12425236220 in words is "twelve billion, four hundred twenty-five million, two hundred thirty-six thousand, two hundred twenty".