12710122220 has 24 divisors (see below), whose sum is σ = 26789759808. Its totient is φ = 5065286400.

The previous prime is 12710122169. The next prime is 12710122237. The reversal of 12710122220 is 2222101721.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12710122192 and 12710122201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167101 + ... + 1177940.

It is an arithmetic number, because the mean of its divisors is an integer number (1116239992).

Almost surely, 2^12710122220 is an apocalyptic number.

12710122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12710122220 is an abundant number, since it is smaller than the sum of its proper divisors (14079637588).

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

12710122220 is a wasteful number, since it uses less digits than its factorization.

12710122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345321 (or 2345319 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 12710122220 its reverse (2222101721), we get a palindrome (14932223941).

The spelling of 12710122220 in words is "twelve billion, seven hundred ten million, one hundred twenty-two thousand, two hundred twenty".