1201201022203 has 16 divisors (see below), whose sum is σ = 1565366040000. Its totient is φ = 894494877696.

The previous prime is 1201201022143. The next prime is 1201201022209. The reversal of 1201201022203 is 3022201021021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1201201022203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201201022209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388234078 + ... + 388237171.

It is an arithmetic number, because the mean of its divisors is an integer number (97835377500).

Almost surely, 2^{1201201022203} is an apocalyptic number.

1201201022203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1201201022203 is a deficient number, since it is larger than the sum of its proper divisors (364165017797).

1201201022203 is a wasteful number, since it uses less digits than its factorization.

1201201022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776471286.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1201201022203 its reverse (3022201021021), we get a palindrome (4223402043224).

The spelling of 1201201022203 in words is "one trillion, two hundred one billion, two hundred one million, twenty-two thousand, two hundred three".