1210200100999 has 8 divisors (see below), whose sum is σ = 1210641217632. Its totient is φ = 1209759061920.

The previous prime is 1210200100987. The next prime is 1210200101003. The reversal of 1210200100999 is 9990010020121.

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 1210200100999 - 2¹⁹ = 1210199576711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210200100909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66731137 + ... + 66749269.

It is an arithmetic number, because the mean of its divisors is an integer number (151330152204).

Almost surely, 2^{1210200100999} is an apocalyptic number.

1210200100999 is a deficient number, since it is larger than the sum of its proper divisors (441116633).

1210200100999 is a wasteful number, since it uses less digits than its factorization.

1210200100999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38777.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 1210200100999 in words is "one trillion, two hundred ten billion, two hundred million, one hundred thousand, nine hundred ninety-nine".