1223132000 has 48 divisors (see below), whose sum is σ = 3005245152. Its totient is φ = 489251200.

The previous prime is 1223131991. The next prime is 1223132017. The reversal of 1223132000 is 2313221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148892 + ... + 156891.

It is an arithmetic number, because the mean of its divisors is an integer number (62609274).

Almost surely, 2^1223132000 is an apocalyptic number.

1223132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223132000 is an abundant number, since it is smaller than the sum of its proper divisors (1782113152).

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

1223132000 is an equidigital number, since it uses as much as digits as its factorization.

1223132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305808 (or 305790 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1223132000 is about 34973.3041047025. The cubic root of 1223132000 is about 1069.4433299714.

Adding to 1223132000 its reverse (2313221), we get a palindrome (1225445221).

The spelling of 1223132000 in words is "one billion, two hundred twenty-three million, one hundred thirty-two thousand".