12223121010210 has 72 divisors (see below), whose sum is σ = 34931861562780. Its totient is φ = 2963180848320.

The previous prime is 12223121010197. The next prime is 12223121010211. The reversal of 12223121010210 is 1201012132221.

12223121010210 is a `hidden beast` number, since 1 + 2 + 2 + 231 + 210 + 10 + 210 = 666.

12223121010210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11468781860481 + 754339149729 = 3386559^2 + 868527^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12223121010211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 561197605 + ... + 561219384.

Almost surely, 2^{12223121010210} is an apocalyptic number.

12223121010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12223121010210 is an abundant number, since it is smaller than the sum of its proper divisors (22708740552570).

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

12223121010210 is a wasteful number, since it uses less digits than its factorization.

12223121010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122417024 (or 1122417010 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12223121010210 its reverse (1201012132221), we get a palindrome (13424133142431).

The spelling of 12223121010210 in words is "twelve trillion, two hundred twenty-three billion, one hundred twenty-one million, ten thousand, two hundred ten".