12210213032 has 8 divisors (see below), whose sum is σ = 22894149450. Its totient is φ = 6105106512.

The previous prime is 12210213031. The next prime is 12210213053. The reversal of 12210213032 is 23031201221.

It can be written as a sum of positive squares in only one way, i.e., 12023999716 + 186213316 = 109654^2 + 13646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12210213032.

It is not an unprimeable number, because it can be changed into a prime (12210213031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763138307 + ... + 763138322.

Almost surely, 2^12210213032 is an apocalyptic number.

It is an amenable number.

12210213032 is a deficient number, since it is larger than the sum of its proper divisors (10683936418).

12210213032 is a wasteful number, since it uses less digits than its factorization.

12210213032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526276635 (or 1526276631 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12210213032 its reverse (23031201221), we get a palindrome (35241414253).

The spelling of 12210213032 in words is "twelve billion, two hundred ten million, two hundred thirteen thousand, thirty-two".