1201020001202 has 16 divisors (see below), whose sum is σ = 2061020607360. Its totient is φ = 514190563488.

The previous prime is 1201020001193. The next prime is 1201020001231. The reversal of 1201020001202 is 2021000201021.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 44343827 + ... + 44370902.

It is an arithmetic number, because the mean of its divisors is an integer number (128813787960).

Almost surely, 2^{1201020001202} is an apocalyptic number.

1201020001202 is a deficient number, since it is larger than the sum of its proper divisors (860000606158).

1201020001202 is an equidigital number, since it uses as much as digits as its factorization.

1201020001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88715705.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1201020001202 its reverse (2021000201021), we get a palindrome (3222020202223).

The spelling of 1201020001202 in words is "one trillion, two hundred one billion, twenty million, one thousand, two hundred two".