12466145122 has 4 divisors (see below), whose sum is σ = 18699217686. Its totient is φ = 6233072560.

The previous prime is 12466145113. The next prime is 12466145123. The reversal of 12466145122 is 22154166421.

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., 9091813201 + 3374331921 = 95351^2 + 58089^2 .

It is not an unprimeable number, because it can be changed into a prime (12466145123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3116536279 + ... + 3116536282.

Almost surely, 2^12466145122 is an apocalyptic number.

12466145122 is a deficient number, since it is larger than the sum of its proper divisors (6233072564).

12466145122 is an equidigital number, since it uses as much as digits as its factorization.

12466145122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233072563.

The product of its digits is 23040, while the sum is 34.

The spelling of 12466145122 in words is "twelve billion, four hundred sixty-six million, one hundred forty-five thousand, one hundred twenty-two".