2001012012332 has 24 divisors (see below), whose sum is σ = 3559819313232. Its totient is φ = 983926699200.

The previous prime is 2001012012301. The next prime is 2001012012367. The reversal of 2001012012332 is 2332102101002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001012012332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620282 + ... + 2094462.

It is an arithmetic number, because the mean of its divisors is an integer number (148325804718).

Almost surely, 2^{2001012012332} is an apocalyptic number.

It is an amenable number.

2001012012332 is a deficient number, since it is larger than the sum of its proper divisors (1558807300900).

2001012012332 is a wasteful number, since it uses less digits than its factorization.

2001012012332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479809 (or 1479807 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2001012012332 its reverse (2332102101002), we get a palindrome (4333114113334).

The spelling of 2001012012332 in words is "two trillion, one billion, twelve million, twelve thousand, three hundred thirty-two".