1200246420000 has 120 divisors (see below), whose sum is σ = 3937048503696. Its totient is φ = 320065696000.

The previous prime is 1200246419989. The next prime is 1200246420019. The reversal of 1200246420000 is 246420021.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9942054 + ... + 10062053.

Almost surely, 2^{1200246420000} is an apocalyptic number.

1200246420000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200246420000 is an abundant number, since it is smaller than the sum of its proper divisors (2736802083696).

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

1200246420000 is an equidigital number, since it uses as much as digits as its factorization.

1200246420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20004140 (or 20004117 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1200246420000 its sum of digits (21), we get a palindrome (1200246420021).

The spelling of 1200246420000 in words is "one trillion, two hundred billion, two hundred forty-six million, four hundred twenty thousand".