1332123221220 has 144 divisors (see below), whose sum is σ = 4187088993024. Its totient is φ = 316067840000.

The previous prime is 1332123221213. The next prime is 1332123221263. The reversal of 1332123221220 is 221223212331.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1610781 + ... + 2293220.

It is an arithmetic number, because the mean of its divisors is an integer number (29077006896).

Almost surely, 2^{1332123221220} is an apocalyptic number.

1332123221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332123221220 is an abundant number, since it is smaller than the sum of its proper divisors (2854965771804).

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

1332123221220 is a wasteful number, since it uses less digits than its factorization.

1332123221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904082 (or 3904069 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1332123221220 its reverse (221223212331), we get a palindrome (1553346433551).

The spelling of 1332123221220 in words is "one trillion, three hundred thirty-two billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty".