213230221002 has 48 divisors (see below), whose sum is σ = 495115096320. Its totient is φ = 66148970976.

The previous prime is 213230220991. The next prime is 213230221031. The reversal of 213230221002 is 200122032312.

213230221002 is a `hidden beast` number, since 213 + 230 + 221 + 0 + 0 + 2 = 666.

213230221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6944802 + ... + 6975437.

It is an arithmetic number, because the mean of its divisors is an integer number (10314897840).

Almost surely, 2^213230221002 is an apocalyptic number.

213230221002 is an abundant number, since it is smaller than the sum of its proper divisors (281884875318).

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

213230221002 is a wasteful number, since it uses less digits than its factorization.

213230221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13920307 (or 13920304 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213230221002 its reverse (200122032312), we get a palindrome (413352253314).

The spelling of 213230221002 in words is "two hundred thirteen billion, two hundred thirty million, two hundred twenty-one thousand, two".