213202122 has 16 divisors (see below), whose sum is σ = 487319232. Its totient is φ = 60914880.

The previous prime is 213202109. The next prime is 213202123. The reversal of 213202122 is 221202312.

It is a happy number.

213202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213202123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2538079 + ... + 2538162.

It is an arithmetic number, because the mean of its divisors is an integer number (30457452).

Almost surely, 2^213202122 is an apocalyptic number.

213202122 is an abundant number, since it is smaller than the sum of its proper divisors (274117110).

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

213202122 is a wasteful number, since it uses less digits than its factorization.

213202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5076253.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213202122 is about 14601.4424629897. The cubic root of 213202122 is about 597.3981054397.

Adding to 213202122 its reverse (221202312), we get a palindrome (434404434).

The spelling of 213202122 in words is "two hundred thirteen million, two hundred two thousand, one hundred twenty-two".