213552514122 has 16 divisors (see below), whose sum is σ = 427614102720. Its totient is φ = 71099325632.

The previous prime is 213552514121. The next prime is 213552514141. The reversal of 213552514122 is 221415255312.

It is not an unprimeable number, because it can be changed into a prime (213552514121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21205983 + ... + 21216050.

It is an arithmetic number, because the mean of its divisors is an integer number (26725881420).

Almost surely, 2^213552514122 is an apocalyptic number.

213552514122 is an abundant number, since it is smaller than the sum of its proper divisors (214061588598).

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

213552514122 is a wasteful number, since it uses less digits than its factorization.

213552514122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42422877.

The product of its digits is 24000, while the sum is 33.

Adding to 213552514122 its reverse (221415255312), we get a palindrome (434967769434).

The spelling of 213552514122 in words is "two hundred thirteen billion, five hundred fifty-two million, five hundred fourteen thousand, one hundred twenty-two".