213523004552122 has 32 divisors (see below), whose sum is σ = 328006671474240. Its totient is φ = 104191604052480.

The previous prime is 213523004552111. The next prime is 213523004552149. The reversal of 213523004552122 is 221255400325312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217474154 + ... + 2217570442.

It is an arithmetic number, because the mean of its divisors is an integer number (10250208483570).

Almost surely, 2^{213523004552122} is an apocalyptic number.

213523004552122 is a deficient number, since it is larger than the sum of its proper divisors (114483666922118).

213523004552122 is a wasteful number, since it uses less digits than its factorization.

213523004552122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117598.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 213523004552122 its reverse (221255400325312), we get a palindrome (434778404877434).

The spelling of 213523004552122 in words is "two hundred thirteen trillion, five hundred twenty-three billion, four million, five hundred fifty-two thousand, one hundred twenty-two".