1001201212201 has 32 divisors (see below), whose sum is σ = 1137685844736. Its totient is φ = 875846400000.

The previous prime is 1001201212153. The next prime is 1001201212211. The reversal of 1001201212201 is 1022121021001.

1001201212201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1001201212201 - 2¹⁷ = 1001201081129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001201212211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3899371 + ... + 4148191.

It is an arithmetic number, because the mean of its divisors is an integer number (35552682648).

Almost surely, 2^{1001201212201} is an apocalyptic number.

It is an amenable number.

1001201212201 is a deficient number, since it is larger than the sum of its proper divisors (136484632535).

1001201212201 is a wasteful number, since it uses less digits than its factorization.

1001201212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249153.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001201212201 its reverse (1022121021001), we get a palindrome (2023322233202).

The spelling of 1001201212201 in words is "one trillion, one billion, two hundred one million, two hundred twelve thousand, two hundred one".