213000220212 has 48 divisors (see below), whose sum is σ = 538004617920. Its totient is φ = 65198942208.

The previous prime is 213000220211. The next prime is 213000220217. The reversal of 213000220212 is 212022000312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213000220191 and 213000220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3507162 + ... + 3567377.

It is an arithmetic number, because the mean of its divisors is an integer number (11208429540).

Almost surely, 2^213000220212 is an apocalyptic number.

It is an amenable number.

213000220212 is an abundant number, since it is smaller than the sum of its proper divisors (325004397708).

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

213000220212 is a wasteful number, since it uses less digits than its factorization.

213000220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074752 (or 7074750 counting only the distinct ones).

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

Adding to 213000220212 its reverse (212022000312), we get a palindrome (425022220524).

The spelling of 213000220212 in words is "two hundred thirteen billion, two hundred twenty thousand, two hundred twelve".