12249883897 has 8 divisors (see below), whose sum is σ = 12310763400. Its totient is φ = 12189075840.

The previous prime is 12249883883. The next prime is 12249883901. The reversal of 12249883897 is 79838894221.

It can be written as a sum of positive squares in 4 ways, for example, as 268173376 + 11981710521 = 16376^2 + 109461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12249883897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12249883837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343947 + ... + 377887.

It is an arithmetic number, because the mean of its divisors is an integer number (1538845425).

Almost surely, 2^12249883897 is an apocalyptic number.

It is an amenable number.

12249883897 is a deficient number, since it is larger than the sum of its proper divisors (60879503).

12249883897 is a wasteful number, since it uses less digits than its factorization.

12249883897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35723.

The product of its digits is 13934592, while the sum is 61.

The spelling of 12249883897 in words is "twelve billion, two hundred forty-nine million, eight hundred eighty-three thousand, eight hundred ninety-seven".