1220435534032 has 80 divisors (see below), whose sum is σ = 2778228556992. Its totient is φ = 512025845760.

The previous prime is 1220435533987. The next prime is 1220435534041. The reversal of 1220435534032 is 2304355340221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44435248 + ... + 44462704.

Almost surely, 2^{1220435534032} is an apocalyptic number.

It is an amenable number.

1220435534032 is an abundant number, since it is smaller than the sum of its proper divisors (1557793022960).

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

1220435534032 is a wasteful number, since it uses less digits than its factorization.

1220435534032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46916 (or 46910 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 1220435534032 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, five hundred thirty-four thousand, thirty-two".