1202020020201 has 64 divisors (see below), whose sum is σ = 2210026807296. Its totient is φ = 560814969600.

The previous prime is 1202020020139. The next prime is 1202020020203. The reversal of 1202020020201 is 1020200202021.

It is not a de Polignac number, because 1202020020201 - 2⁷ = 1202020020073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202020020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5297985 + ... + 5520206.

It is an arithmetic number, because the mean of its divisors is an integer number (34531668864).

Almost surely, 2^{1202020020201} is an apocalyptic number.

1202020020201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202020020201 is a deficient number, since it is larger than the sum of its proper divisors (1008006787095).

1202020020201 is a wasteful number, since it uses less digits than its factorization.

1202020020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818262.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1202020020201 its reverse (1020200202021), we get a palindrome (2222220222222).

It can be divided in two parts, 1 and 202020020201, that added together give a palindrome (202020020202).

The spelling of 1202020020201 in words is "one trillion, two hundred two billion, twenty million, twenty thousand, two hundred one".