12254433400 has 48 divisors (see below), whose sum is σ = 31081704840. Its totient is φ = 4456156800.

The previous prime is 12254433377. The next prime is 12254433449. The reversal of 12254433400 is 433445221.

It is a happy number.

It is a super-2 number, since 2×12254433400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2782899 + ... + 2787298.

Almost surely, 2^12254433400 is an apocalyptic number.

12254433400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12254433400 is an abundant number, since it is smaller than the sum of its proper divisors (18827271440).

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

12254433400 is a wasteful number, since it uses less digits than its factorization.

12254433400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570224 (or 5570215 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12254433400 its reverse (433445221), we get a palindrome (12687878621).

The spelling of 12254433400 in words is "twelve billion, two hundred fifty-four million, four hundred thirty-three thousand, four hundred".