2001562001212 has 12 divisors (see below), whose sum is σ = 3503808312760. Its totient is φ = 1000473911856.

The previous prime is 2001562001071. The next prime is 2001562001213. The reversal of 2001562001212 is 2121002651002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001562001213) 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, 76757523 + ... + 76783594.

Almost surely, 2^{2001562001212} is an apocalyptic number.

It is an amenable number.

2001562001212 is a deficient number, since it is larger than the sum of its proper divisors (1502246311548).

2001562001212 is a wasteful number, since it uses less digits than its factorization.

2001562001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153544380 (or 153544378 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 2001562001212 its reverse (2121002651002), we get a palindrome (4122564652214).

The spelling of 2001562001212 in words is "two trillion, one billion, five hundred sixty-two million, one thousand, two hundred twelve".