1320003210100 has 36 divisors (see below), whose sum is σ = 2865196629568. Its totient is φ = 527855724000.

The previous prime is 1320003210079. The next prime is 1320003210133. The reversal of 1320003210100 is 10123000231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1454586 + ... + 2180785.

Almost surely, 2^{1320003210100} is an apocalyptic number.

1320003210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320003210100 is an abundant number, since it is smaller than the sum of its proper divisors (1545193419468).

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

1320003210100 is a wasteful number, since it uses less digits than its factorization.

1320003210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639016 (or 3639009 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1320003210100 its reverse (10123000231), we get a palindrome (1330126210331).

The spelling of 1320003210100 in words is "one trillion, three hundred twenty billion, three million, two hundred ten thousand, one hundred".