12265452500 has 60 divisors (see below), whose sum is σ = 30653862624. Its totient is φ = 4205292000.

The previous prime is 12265452461. The next prime is 12265452503. The reversal of 12265452500 is 525456221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265452503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 332942 + ... + 367941.

Almost surely, 2^12265452500 is an apocalyptic number.

12265452500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12265452500 is an abundant number, since it is smaller than the sum of its proper divisors (18388410124).

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

12265452500 is an equidigital number, since it uses as much as digits as its factorization.

12265452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700914 (or 700897 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 12265452500 in words is "twelve billion, two hundred sixty-five million, four hundred fifty-two thousand, five hundred".