12222211212232 has 64 divisors (see below), whose sum is σ = 27570854275200. Its totient is φ = 4962049320960.

The previous prime is 12222211212227. The next prime is 12222211212241. The reversal of 12222211212232 is 23221211222221.

It is a happy number.

12222211212232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12222211212232² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12222211212197 and 12222211212206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14858328 + ... + 15659320.

It is an arithmetic number, because the mean of its divisors is an integer number (430794598050).

Almost surely, 2^{12222211212232} is an apocalyptic number.

It is an amenable number.

12222211212232 is an abundant number, since it is smaller than the sum of its proper divisors (15348643062968).

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

12222211212232 is a wasteful number, since it uses less digits than its factorization.

12222211212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815366 (or 815362 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 12222211212232 its reverse (23221211222221), we get a palindrome (35443422434453).

The spelling of 12222211212232 in words is "twelve trillion, two hundred twenty-two billion, two hundred eleven million, two hundred twelve thousand, two hundred thirty-two".