12211221021032 has 24 divisors (see below), whose sum is σ = 25166721011250. Its totient is φ = 5550555009120.

The previous prime is 12211221021031. The next prime is 12211221021049. The reversal of 12211221021032 is 23012012211221.

12211221021032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11442348083716 + 768872937316 = 3382654^2 + 876854^2 .

It is a super-2 number, since 2×12211221021032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211221020995 and 12211221021013.

It is not an unprimeable number, because it can be changed into a prime (12211221021031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6307447907 + ... + 6307449842.

Almost surely, 2^{12211221021032} is an apocalyptic number.

It is an amenable number.

12211221021032 is an abundant number, since it is smaller than the sum of its proper divisors (12955499990218).

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

12211221021032 is a wasteful number, since it uses less digits than its factorization.

12211221021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614897777 (or 12614897762 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12211221021032 its reverse (23012012211221), we get a palindrome (35223233232253).

The spelling of 12211221021032 in words is "twelve trillion, two hundred eleven billion, two hundred twenty-one million, twenty-one thousand, thirty-two".