12122203312232 has 64 divisors (see below), whose sum is σ = 24553630558800. Its totient is φ = 5577493800960.

The previous prime is 12122203312231. The next prime is 12122203312253. The reversal of 12122203312232 is 23221330222121.

It can be written as a sum of positive squares in 8 ways, for example, as 1517710658116 + 10604492654116 = 1231954^2 + 3256454^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (12122203312231) 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, 44707244 + ... + 44977572.

Almost surely, 2^{12122203312232} is an apocalyptic number.

It is an amenable number.

12122203312232 is an abundant number, since it is smaller than the sum of its proper divisors (12431427246568).

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

12122203312232 is a wasteful number, since it uses less digits than its factorization.

12122203312232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271686 (or 271682 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12122203312232 its reverse (23221330222121), we get a palindrome (35343533534353).

The spelling of 12122203312232 in words is "twelve trillion, one hundred twenty-two billion, two hundred three million, three hundred twelve thousand, two hundred thirty-two".