12290297762 has 18 divisors (see below), whose sum is σ = 18567850833. Its totient is φ = 6101328312.

The previous prime is 12290297749. The next prime is 12290297771. The reversal of 12290297762 is 26779209221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10787107321 + 1503190441 = 103861^2 + 38771^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78391.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43428473 + ... + 43428755.

Almost surely, 2^12290297762 is an apocalyptic number.

12290297762 is a deficient number, since it is larger than the sum of its proper divisors (6277553071).

12290297762 is an frugal number, since it uses more digits than its factorization.

12290297762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 12290297762 in words is "twelve billion, two hundred ninety million, two hundred ninety-seven thousand, seven hundred sixty-two".