1200102212201 has 4 divisors (see below), whose sum is σ = 1200105158100. Its totient is φ = 1200099266304.

The previous prime is 1200102212149. The next prime is 1200102212233. The reversal of 1200102212201 is 1022122010021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38093670976 + 1162008541225 = 195176^2 + 1077965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200102212201 - 2¹⁰ = 1200102211177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200102212261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740456 + ... + 1717113.

It is an arithmetic number, because the mean of its divisors is an integer number (300026289525).

Almost surely, 2^{1200102212201} is an apocalyptic number.

It is an amenable number.

1200102212201 is a deficient number, since it is larger than the sum of its proper divisors (2945899).

1200102212201 is an equidigital number, since it uses as much as digits as its factorization.

1200102212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200102212201 its reverse (1022122010021), we get a palindrome (2222224222222).

The spelling of 1200102212201 in words is "one trillion, two hundred billion, one hundred two million, two hundred twelve thousand, two hundred one".