213010122 has 16 divisors (see below), whose sum is σ = 458791200. Its totient is φ = 65541552.

The previous prime is 213010117. The next prime is 213010123. The reversal of 213010122 is 221010312.

It is a junction number, because it is equal to n+sod(n) for n = 213010098 and 213010107.

It is not an unprimeable number, because it can be changed into a prime (213010123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365372 + ... + 1365527.

It is an arithmetic number, because the mean of its divisors is an integer number (28674450).

Almost surely, 2^213010122 is an apocalyptic number.

213010122 is an abundant number, since it is smaller than the sum of its proper divisors (245781078).

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

213010122 is a wasteful number, since it uses less digits than its factorization.

213010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730917.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 213010122 is about 14594.8662892128. The cubic root of 213010122 is about 597.2187218518.

Adding to 213010122 its reverse (221010312), we get a palindrome (434020434).

The spelling of 213010122 in words is "two hundred thirteen million, ten thousand, one hundred twenty-two".