2012001131 has 4 divisors (see below), whose sum is σ = 2299429872. Its totient is φ = 1724572392.

The previous prime is 2012001113. The next prime is 2012001163. The reversal of 2012001131 is 1311002102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012001131 - 2¹⁴ = 2011984747 is a prime.

It is a super-2 number, since 2×2012001131² = 8096297102290558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012001331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143714360 + ... + 143714373.

It is an arithmetic number, because the mean of its divisors is an integer number (574857468).

Almost surely, 2^2012001131 is an apocalyptic number.

2012001131 is a deficient number, since it is larger than the sum of its proper divisors (287428741).

2012001131 is an equidigital number, since it uses as much as digits as its factorization.

2012001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287428740.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2012001131 is about 44855.3355912092. The cubic root of 2012001131 is about 1262.4361055923.

Adding to 2012001131 its reverse (1311002102), we get a palindrome (3323003233).

The spelling of 2012001131 in words is "two billion, twelve million, one thousand, one hundred thirty-one".