2012001201 has 30 divisors (see below), whose sum is σ = 3496296210. Its totient is φ = 1149712704.

The previous prime is 2012001163. The next prime is 2012001203. The reversal of 2012001201 is 1021002102.

It can be written as a sum of positive squares in only one way, i.e., 1666598976 + 345402225 = 40824^2 + 18585^2 .

It is not a de Polignac number, because 2012001201 - 2¹¹ = 2011999153 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 (2012001203) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 249496 + ... + 257433.

It is an arithmetic number, because the mean of its divisors is an integer number (116543207).

Almost surely, 2^2012001201 is an apocalyptic number.

2012001201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2012001201 is a deficient number, since it is larger than the sum of its proper divisors (1484295009).

2012001201 is an equidigital number, since it uses as much as digits as its factorization.

2012001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506955 (or 506939 counting only the distinct ones).

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

The square root of 2012001201 is about 44855.3363714954. The cubic root of 2012001201 is about 1262.4361202329.

Adding to 2012001201 its reverse (1021002102), we get a palindrome (3033003303).

Subtracting from 2012001201 its reverse (1021002102), we obtain a palindrome (990999099).

The spelling of 2012001201 in words is "two billion, twelve million, one thousand, two hundred one".