202212108 has 72 divisors (see below), whose sum is σ = 585591552. Its totient is φ = 57634272.

The previous prime is 202212107. The next prime is 202212121. The reversal of 202212108 is 801212202.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147241 + ... + 148607.

It is an arithmetic number, because the mean of its divisors is an integer number (8133216).

Almost surely, 2^202212108 is an apocalyptic number.

202212108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202212108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292795776).

202212108 is an abundant number, since it is smaller than the sum of its proper divisors (383379444).

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

202212108 is a wasteful number, since it uses less digits than its factorization.

202212108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 202212108 is about 14220.1303791491. The cubic root of 202212108 is about 586.9517280009.

The spelling of 202212108 in words is "two hundred two million, two hundred twelve thousand, one hundred eight".