1320123020200 has 48 divisors (see below), whose sum is σ = 3072110158080. Its totient is φ = 527563335360.

The previous prime is 1320123020141. The next prime is 1320123020233. The reversal of 1320123020200 is 20203210231.

It is a super-3 number, since 3×1320123020200³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2818762 + ... + 3253561.

It is an arithmetic number, because the mean of its divisors is an integer number (64002294960).

Almost surely, 2^{1320123020200} is an apocalyptic number.

1320123020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320123020200 is an abundant number, since it is smaller than the sum of its proper divisors (1751987137880).

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

1320123020200 is a wasteful number, since it uses less digits than its factorization.

1320123020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073426 (or 6073417 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1320123020200 its reverse (20203210231), we get a palindrome (1340326230431).

The spelling of 1320123020200 in words is "one trillion, three hundred twenty billion, one hundred twenty-three million, twenty thousand, two hundred".