1220401400332 has 24 divisors (see below), whose sum is σ = 2211045827760. Its totient is φ = 588706372800.

The previous prime is 1220401400321. The next prime is 1220401400377. The reversal of 1220401400332 is 2330041040221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3892398 + ... + 4194229.

It is an arithmetic number, because the mean of its divisors is an integer number (92126909490).

Almost surely, 2^{1220401400332} is an apocalyptic number.

It is an amenable number.

1220401400332 is a deficient number, since it is larger than the sum of its proper divisors (990644427428).

1220401400332 is a wasteful number, since it uses less digits than its factorization.

1220401400332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087961 (or 8087959 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1220401400332 its reverse (2330041040221), we get a palindrome (3550442440553).

The spelling of 1220401400332 in words is "one trillion, two hundred twenty billion, four hundred one million, four hundred thousand, three hundred thirty-two".