1220324132000 has 48 divisors (see below), whose sum is σ = 2998336402152. Its totient is φ = 488129651200.

The previous prime is 1220324131997. The next prime is 1220324132009. The reversal of 1220324132000 is 2314230221.

It can be written as a sum of positive squares in 4 ways, for example, as 699611799184 + 520712332816 = 836428^2 + 721604^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1220324132009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152536517 + ... + 152544516.

Almost surely, 2^{1220324132000} is an apocalyptic number.

1220324132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220324132000 is an abundant number, since it is smaller than the sum of its proper divisors (1778012270152).

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

1220324132000 is an equidigital number, since it uses as much as digits as its factorization.

1220324132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305081058 (or 305081040 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1220324132000 its reverse (2314230221), we get a palindrome (1222638362221).

The spelling of 1220324132000 in words is "one trillion, two hundred twenty billion, three hundred twenty-four million, one hundred thirty-two thousand".