12265204420 has 48 divisors (see below), whose sum is σ = 29475427968. Its totient is φ = 4199650560.

The previous prime is 12265204417. The next prime is 12265204429. The reversal of 12265204420 is 2440256221.

It is a super-3 number, since 3×12265204420³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (12265204429) 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, 48979 + ... + 164101.

It is an arithmetic number, because the mean of its divisors is an integer number (614071416).

Almost surely, 2^12265204420 is an apocalyptic number.

12265204420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12265204420 is an abundant number, since it is smaller than the sum of its proper divisors (17210223548).

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

12265204420 is a wasteful number, since it uses less digits than its factorization.

12265204420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115900 (or 115898 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 12265204420 in words is "twelve billion, two hundred sixty-five million, two hundred four thousand, four hundred twenty".