1201202121202 has 8 divisors (see below), whose sum is σ = 1907791604316. Its totient is φ = 565271586432.

The previous prime is 1201202121199. The next prime is 1201202121211. The reversal of 1201202121202 is 2021212021021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1129928606361 + 71273514841 = 1062981^2 + 266971^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17664737043 + ... + 17664737110.

Almost surely, 2^{1201202121202} is an apocalyptic number.

1201202121202 is a deficient number, since it is larger than the sum of its proper divisors (706589483114).

1201202121202 is a wasteful number, since it uses less digits than its factorization.

1201202121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35329474172.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1201202121202 its reverse (2021212021021), we get a palindrome (3222414142223).

The spelling of 1201202121202 in words is "one trillion, two hundred one billion, two hundred two million, one hundred twenty-one thousand, two hundred two".