12210702220170 has 96 divisors (see below), whose sum is σ = 32561401738320. Its totient is φ = 3172935214080.

The previous prime is 12210702220153. The next prime is 12210702220183. The reversal of 12210702220170 is 7102220701221.

It can be written as a sum of positive squares in 8 ways, for example, as 113265229401 + 12097436990769 = 336549^2 + 3478137^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1063152 + ... + 5054868.

Almost surely, 2^{12210702220170} is an apocalyptic number.

12210702220170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210702220170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16280700869160).

12210702220170 is an abundant number, since it is smaller than the sum of its proper divisors (20350699518150).

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

12210702220170 is a wasteful number, since it uses less digits than its factorization.

12210702220170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992600 (or 3992597 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

Adding to 12210702220170 its reverse (7102220701221), we get a palindrome (19312922921391).

The spelling of 12210702220170 in words is "twelve trillion, two hundred ten billion, seven hundred two million, two hundred twenty thousand, one hundred seventy".