2001532124244 has 12 divisors (see below), whose sum is σ = 4670241623264. Its totient is φ = 667177374744.

The previous prime is 2001532124231. The next prime is 2001532124327. The reversal of 2001532124244 is 4424212351002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2001532124244² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83397171832 + ... + 83397171855.

Almost surely, 2^{2001532124244} is an apocalyptic number.

It is an amenable number.

2001532124244 is an abundant number, since it is smaller than the sum of its proper divisors (2668709499020).

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

2001532124244 is a wasteful number, since it uses less digits than its factorization.

2001532124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166794343694 (or 166794343692 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2001532124244 its reverse (4424212351002), we get a palindrome (6425744475246).

The spelling of 2001532124244 in words is "two trillion, one billion, five hundred thirty-two million, one hundred twenty-four thousand, two hundred forty-four".