1012001012201 has 4 divisors (see below), whose sum is σ = 1012003162500. Its totient is φ = 1011998861904.

The previous prime is 1012001012131. The next prime is 1012001012203. The reversal of 1012001012201 is 1022101002101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 287536178176 + 724464834025 = 536224^2 + 851155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012001012201 - 2³⁰ = 1010927270377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012001012203) 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 3 ways as a sum of consecutive naturals, for example, 31526 + ... + 1423023.

It is an arithmetic number, because the mean of its divisors is an integer number (253000790625).

Almost surely, 2^{1012001012201} is an apocalyptic number.

It is an amenable number.

1012001012201 is a deficient number, since it is larger than the sum of its proper divisors (2150299).

1012001012201 is an equidigital number, since it uses as much as digits as its factorization.

1012001012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150298.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1012001012201 its reverse (1022101002101), we get a palindrome (2034102014302).

The spelling of 1012001012201 in words is "one trillion, twelve billion, one million, twelve thousand, two hundred one".