1220552352300 has 72 divisors (see below), whose sum is σ = 3531586352896. Its totient is φ = 325469424960.

The previous prime is 1220552352287. The next prime is 1220552352427. The reversal of 1220552352300 is 32532550221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12293457 + ... + 12392343.

Almost surely, 2^{1220552352300} is an apocalyptic number.

1220552352300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220552352300 is an abundant number, since it is smaller than the sum of its proper divisors (2311034000596).

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

1220552352300 is a wasteful number, since it uses less digits than its factorization.

1220552352300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140047 (or 140040 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 1220552352300 in words is "one trillion, two hundred twenty billion, five hundred fifty-two million, three hundred fifty-two thousand, three hundred".