12520046122 has 8 divisors (see below), whose sum is σ = 18797254596. Its totient is φ = 6254294592.

The previous prime is 12520046093. The next prime is 12520046171. The reversal of 12520046122 is 22164002521.

It can be written as a sum of positive squares in 2 ways, for example, as 12519595881 + 450241 = 111891^2 + 671^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2861503 + ... + 2865874.

Almost surely, 2^12520046122 is an apocalyptic number.

12520046122 is a deficient number, since it is larger than the sum of its proper divisors (6277208474).

12520046122 is a wasteful number, since it uses less digits than its factorization.

12520046122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728472.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12520046122 its reverse (22164002521), we get a palindrome (34684048643).

The spelling of 12520046122 in words is "twelve billion, five hundred twenty million, forty-six thousand, one hundred twenty-two".