1200102020323 has 8 divisors (see below), whose sum is σ = 1241497155600. Its totient is φ = 1158707705568.

The previous prime is 1200102020291. The next prime is 1200102020357. The reversal of 1200102020323 is 3230202010021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200102020323 - 2⁵ = 1200102020291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200102020297 and 1200102020306.

It is not an unprimeable number, because it can be changed into a prime (1200102020023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5071048 + ... + 5302426.

It is an arithmetic number, because the mean of its divisors is an integer number (155187144450).

Almost surely, 2^{1200102020323} is an apocalyptic number.

1200102020323 is a deficient number, since it is larger than the sum of its proper divisors (41395135277).

1200102020323 is a wasteful number, since it uses less digits than its factorization.

1200102020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410261.

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

Adding to 1200102020323 its reverse (3230202010021), we get a palindrome (4430304030344).

The spelling of 1200102020323 in words is "one trillion, two hundred billion, one hundred two million, twenty thousand, three hundred twenty-three".