12490557034 has 4 divisors (see below), whose sum is σ = 18735835554. Its totient is φ = 6245278516.

The previous prime is 12490556987. The next prime is 12490557049. The reversal of 12490557034 is 43075509421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10131026409 + 2359530625 = 100653^2 + 48575^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122639257 + ... + 3122639260.

Almost surely, 2^12490557034 is an apocalyptic number.

12490557034 is a deficient number, since it is larger than the sum of its proper divisors (6245278520).

12490557034 is an equidigital number, since it uses as much as digits as its factorization.

12490557034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245278519.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 12490557034 in words is "twelve billion, four hundred ninety million, five hundred fifty-seven thousand, thirty-four".