1220435056652 has 12 divisors (see below), whose sum is σ = 2440870113360. Its totient is φ = 523043595696.

The previous prime is 1220435056649. The next prime is 1220435056681. The reversal of 1220435056652 is 2566505340221.

1220435056652 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21793483127 + ... + 21793483182.

It is an arithmetic number, because the mean of its divisors is an integer number (203405842780).

Almost surely, 2^{1220435056652} is an apocalyptic number.

It is an amenable number.

1220435056652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1220435056652 is a wasteful number, since it uses less digits than its factorization.

1220435056652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43586966320 (or 43586966318 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 1220435056652 in words is "one trillion, two hundred twenty billion, four hundred thirty-five million, fifty-six thousand, six hundred fifty-two".