1000012020201 has 12 divisors (see below), whose sum is σ = 1507264494528. Its totient is φ = 637688824344.

The previous prime is 1000012020187. The next prime is 1000012020221. The reversal of 1000012020201 is 1020202100001.

It is not a de Polignac number, because 1000012020201 - 2³³ = 991422085609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000012020221) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2415487765 + ... + 2415488178.

It is an arithmetic number, because the mean of its divisors is an integer number (125605374544).

Almost surely, 2^{1000012020201} is an apocalyptic number.

It is an amenable number.

1000012020201 is a deficient number, since it is larger than the sum of its proper divisors (507252474327).

1000012020201 is a wasteful number, since it uses less digits than its factorization.

1000012020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830975972 (or 4830975969 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000012020201 its reverse (1020202100001), we get a palindrome (2020214120202).

The spelling of 1000012020201 in words is "one trillion, twelve million, twenty thousand, two hundred one".