12310002100220 has 96 divisors (see below), whose sum is σ = 29818484398080. Its totient is φ = 4221749064960.

The previous prime is 12310002100159. The next prime is 12310002100223. The reversal of 12310002100220 is 2200120001321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12310002100195 and 12310002100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310002100223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5670947 + ... + 7535226.

It is an arithmetic number, because the mean of its divisors is an integer number (310609212480).

Almost surely, 2^{12310002100220} is an apocalyptic number.

12310002100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310002100220 is an abundant number, since it is smaller than the sum of its proper divisors (17508482297860).

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

12310002100220 is a wasteful number, since it uses less digits than its factorization.

12310002100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206435 (or 13206433 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12310002100220 its reverse (2200120001321), we get a palindrome (14510122101541).

The spelling of 12310002100220 in words is "twelve trillion, three hundred ten billion, two million, one hundred thousand, two hundred twenty".