1200210201205 has 4 divisors (see below), whose sum is σ = 1440252241452. Its totient is φ = 960168160960.

The previous prime is 1200210201121. The next prime is 1200210201251. The reversal of 1200210201205 is 5021020120021.

It is a happy number.

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 679955264836 + 520254936369 = 824594^2 + 721287^2 .

It is not a de Polignac number, because 1200210201205 - 2¹⁷ = 1200210070133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120021020116 + ... + 120021020125.

It is an arithmetic number, because the mean of its divisors is an integer number (360063060363).

Almost surely, 2^{1200210201205} is an apocalyptic number.

It is an amenable number.

1200210201205 is a deficient number, since it is larger than the sum of its proper divisors (240042040247).

1200210201205 is an equidigital number, since it uses as much as digits as its factorization.

1200210201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240042040246.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1200210201205 its reverse (5021020120021), we get a palindrome (6221230321226).

The spelling of 1200210201205 in words is "one trillion, two hundred billion, two hundred ten million, two hundred one thousand, two hundred five".