12202212162 has 96 divisors (see below), whose sum is σ = 30341003328. Its totient is φ = 3250458624.

The previous prime is 12202212133. The next prime is 12202212163. The reversal of 12202212162 is 26121220221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12202212163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 523378 + ... + 546194.

It is an arithmetic number, because the mean of its divisors is an integer number (316052118).

Almost surely, 2^12202212162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202212162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15170501664).

12202212162 is an abundant number, since it is smaller than the sum of its proper divisors (18138791166).

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

12202212162 is a wasteful number, since it uses less digits than its factorization.

12202212162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22960 (or 22953 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12202212162 its reverse (26121220221), we get a palindrome (38323432383).

The spelling of 12202212162 in words is "twelve billion, two hundred two million, two hundred twelve thousand, one hundred sixty-two".