1203121221202 has 8 divisors (see below), whose sum is σ = 1806335988912. Its totient is φ = 601009224900.

The previous prime is 1203121221191. The next prime is 1203121221229. The reversal of 1203121221202 is 2021221213021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1203121221202.

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, 275690124 + ... + 275694487.

It is an arithmetic number, because the mean of its divisors is an integer number (225791998614).

Almost surely, 2^{1203121221202} is an apocalyptic number.

1203121221202 is a deficient number, since it is larger than the sum of its proper divisors (603214767710).

1203121221202 is a wasteful number, since it uses less digits than its factorization.

1203121221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551385704.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1203121221202 its reverse (2021221213021), we get a palindrome (3224342434223).

The spelling of 1203121221202 in words is "one trillion, two hundred three billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred two".