12326986450 has 48 divisors (see below), whose sum is σ = 24735057480. Its totient is φ = 4553169920.

The previous prime is 12326986439. The next prime is 12326986453. The reversal of 12326986450 is 5468962321.

It can be written as a sum of positive squares in 12 ways, for example, as 7401332961 + 4925653489 = 86031^2 + 70183^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12326986450.

It is not an unprimeable number, because it can be changed into a prime (12326986453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91765 + ... + 181864.

Almost surely, 2^12326986450 is an apocalyptic number.

12326986450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12326986450 is an abundant number, since it is smaller than the sum of its proper divisors (12408071030).

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

12326986450 is a wasteful number, since it uses less digits than its factorization.

12326986450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273711 (or 273706 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 12326986450 in words is "twelve billion, three hundred twenty-six million, nine hundred eighty-six thousand, four hundred fifty".