12449374900 has 18 divisors (see below), whose sum is σ = 27015143750. Its totient is φ = 4979749920.

The previous prime is 12449374897. The next prime is 12449374901. The reversal of 12449374900 is 947394421.

It can be written as a sum of positive squares in 3 ways, for example, as 2291153956 + 10158220944 = 47866^2 + 100788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449374901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62246775 + ... + 62246974.

Almost surely, 2^12449374900 is an apocalyptic number.

12449374900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12449374900 is an abundant number, since it is smaller than the sum of its proper divisors (14565768850).

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

12449374900 is a wasteful number, since it uses less digits than its factorization.

12449374900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124493763 (or 124493756 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 12449374900 in words is "twelve billion, four hundred forty-nine million, three hundred seventy-four thousand, nine hundred".