1220002012032 has 32 divisors (see below), whose sum is σ = 3240630345480. Its totient is φ = 406667337216.

The previous prime is 1220002012001. The next prime is 1220002012067. The reversal of 1220002012032 is 2302102000221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1588543903 + ... + 1588544670.

Almost surely, 2^{1220002012032} is an apocalyptic number.

1220002012032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220002012032 is an abundant number, since it is smaller than the sum of its proper divisors (2020628333448).

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

1220002012032 is an equidigital number, since it uses as much as digits as its factorization.

1220002012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177088590 (or 3177088578 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 1220002012032 its reverse (2302102000221), we get a palindrome (3522104012253).

The spelling of 1220002012032 in words is "one trillion, two hundred twenty billion, two million, twelve thousand, thirty-two".