2012201001 has 8 divisors (see below), whose sum is σ = 2981038560. Its totient is φ = 1341467316.

The previous prime is 2012200973. The next prime is 2012201071. The reversal of 2012201001 is 1001022102.

It is not a de Polignac number, because 2012201001 - 2¹⁰ = 2012199977 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 (2012201071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37262955 + ... + 37263008.

It is an arithmetic number, because the mean of its divisors is an integer number (372629820).

Almost surely, 2^2012201001 is an apocalyptic number.

It is an amenable number.

2012201001 is a deficient number, since it is larger than the sum of its proper divisors (968837559).

2012201001 is an equidigital number, since it uses as much as digits as its factorization.

2012201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74525972 (or 74525966 counting only the distinct ones).

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

The square root of 2012201001 is about 44857.5634759624. The cubic root of 2012201001 is about 1262.4779072172.

Adding to 2012201001 its reverse (1001022102), we get a palindrome (3013223103).

The spelling of 2012201001 in words is "two billion, twelve million, two hundred one thousand, one".