12254043500 has 48 divisors (see below), whose sum is σ = 27926458560. Its totient is φ = 4688499200.

The previous prime is 12254043491. The next prime is 12254043511. The reversal of 12254043500 is 534045221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12254043500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521285 + ... + 544284.

It is an arithmetic number, because the mean of its divisors is an integer number (581801220).

Almost surely, 2^12254043500 is an apocalyptic number.

12254043500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12254043500 is an abundant number, since it is smaller than the sum of its proper divisors (15672415060).

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

12254043500 is a wasteful number, since it uses less digits than its factorization.

12254043500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065611 (or 1065599 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 12254043500 its reverse (534045221), we get a palindrome (12788088721).

The spelling of 12254043500 in words is "twelve billion, two hundred fifty-four million, forty-three thousand, five hundred".