202212120 has 64 divisors (see below), whose sum is σ = 661789440. Its totient is φ = 49020800.

The previous prime is 202212107. The next prime is 202212121. The reversal of 202212120 is 21212202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202212096 and 202212105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75276 + ... + 77915.

It is an arithmetic number, because the mean of its divisors is an integer number (10340460).

Almost surely, 2^202212120 is an apocalyptic number.

202212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212120 is an abundant number, since it is smaller than the sum of its proper divisors (459577320).

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

202212120 is a wasteful number, since it uses less digits than its factorization.

202212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153216 (or 153212 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 202212120 is about 14220.1308010862. The cubic root of 202212120 is about 586.9517396115.

Adding to 202212120 its reverse (21212202), we get a palindrome (223424322).

The spelling of 202212120 in words is "two hundred two million, two hundred twelve thousand, one hundred twenty".