1201002012203 has 6 divisors (see below), whose sum is σ = 1397083973436. Its totient is φ = 1029430296132.

The previous prime is 1201002012149. The next prime is 1201002012211. The reversal of 1201002012203 is 3022102001021.

It is a happy number.

It is not a de Polignac number, because 1201002012203 - 2¹⁰ = 1201002011179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201002012263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12255122525 + ... + 12255122622.

It is an arithmetic number, because the mean of its divisors is an integer number (232847328906).

Almost surely, 2^{1201002012203} is an apocalyptic number.

1201002012203 is a deficient number, since it is larger than the sum of its proper divisors (196081961233).

1201002012203 is an equidigital number, since it uses as much as digits as its factorization.

1201002012203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24510245161 (or 24510245154 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1201002012203 its reverse (3022102001021), we get a palindrome (4223104013224).

The spelling of 1201002012203 in words is "one trillion, two hundred one billion, two million, twelve thousand, two hundred three".