1000202001201 has 32 divisors (see below), whose sum is σ = 1634684970240. Its totient is φ = 600496502400.

The previous prime is 1000202001199. The next prime is 1000202001233. The reversal of 1000202001201 is 1021002020001.

It is not a de Polignac number, because 1000202001201 - 2¹ = 1000202001199 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 (1000202001101) 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, 34736565 + ... + 34765346.

It is an arithmetic number, because the mean of its divisors is an integer number (51083905320).

Almost surely, 2^{1000202001201} is an apocalyptic number.

It is an amenable number.

1000202001201 is a deficient number, since it is larger than the sum of its proper divisors (634482969039).

1000202001201 is a wasteful number, since it uses less digits than its factorization.

1000202001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69501974 (or 69501968 counting only the distinct ones).

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

Adding to 1000202001201 its reverse (1021002020001), we get a palindrome (2021204021202).

The spelling of 1000202001201 in words is "one trillion, two hundred two million, one thousand, two hundred one".