2001211344132 has 96 divisors (see below), whose sum is σ = 6269529283584. Its totient is φ = 479810908800.

The previous prime is 2001211344113. The next prime is 2001211344133. The reversal of 2001211344132 is 2314431121002.

It is a super-2 number, since 2×2001211344132² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001211344133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83288494 + ... + 83312517.

It is an arithmetic number, because the mean of its divisors is an integer number (65307596704).

Almost surely, 2^{2001211344132} is an apocalyptic number.

2001211344132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2001211344132 is an abundant number, since it is smaller than the sum of its proper divisors (4268317939452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001211344132 is a wasteful number, since it uses less digits than its factorization.

2001211344132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166601049 (or 166601047 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 2001211344132 its reverse (2314431121002), we get a palindrome (4315642465134).

The spelling of 2001211344132 in words is "two trillion, one billion, two hundred eleven million, three hundred forty-four thousand, one hundred thirty-two".