12402022130 has 24 divisors (see below), whose sum is σ = 23067004716. Its totient is φ = 4800779040.

The previous prime is 12402022109. The next prime is 12402022141. The reversal of 12402022130 is 3122020421.

It can be written as a sum of positive squares in 2 ways, for example, as 10345127521 + 2056894609 = 101711^2 + 45353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12402022099 and 12402022108.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635657 + ... + 654876.

Almost surely, 2^12402022130 is an apocalyptic number.

12402022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402022130 is a deficient number, since it is larger than the sum of its proper divisors (10664982586).

12402022130 is a wasteful number, since it uses less digits than its factorization.

12402022130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290602 (or 1290571 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12402022130 its reverse (3122020421), we get a palindrome (15524042551).

The spelling of 12402022130 in words is "twelve billion, four hundred two million, twenty-two thousand, one hundred thirty".