12460402122 has 128 divisors (see below), whose sum is σ = 31379927040. Its totient is φ = 3216153600.

The previous prime is 12460402081. The next prime is 12460402147. The reversal of 12460402122 is 22120406421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12460402092 and 12460402101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7359108 + ... + 7360800.

It is an arithmetic number, because the mean of its divisors is an integer number (245155680).

Almost surely, 2^12460402122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12460402122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15689963520).

12460402122 is an abundant number, since it is smaller than the sum of its proper divisors (18919524918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12460402122 is a wasteful number, since it uses less digits than its factorization.

12460402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12460402122 its reverse (22120406421), we get a palindrome (34580808543).

The spelling of 12460402122 in words is "twelve billion, four hundred sixty million, four hundred two thousand, one hundred twenty-two".