12253012450 has 48 divisors (see below), whose sum is σ = 26059046400. Its totient is φ = 4198993920.

The previous prime is 12253012397. The next prime is 12253012489. The reversal of 12253012450 is 5421035221.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 832354 + ... + 846946.

It is an arithmetic number, because the mean of its divisors is an integer number (542896800).

Almost surely, 2^12253012450 is an apocalyptic number.

12253012450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12253012450 is an abundant number, since it is smaller than the sum of its proper divisors (13806033950).

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

12253012450 is a wasteful number, since it uses less digits than its factorization.

12253012450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011 (or 17006 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12253012450 its reverse (5421035221), we get a palindrome (17674047671).

The spelling of 12253012450 in words is "twelve billion, two hundred fifty-three million, twelve thousand, four hundred fifty".