2112001641524 has 12 divisors (see below), whose sum is σ = 3696041396964. Its totient is φ = 1055989813824.

The previous prime is 2112001641493. The next prime is 2112001641553. The reversal of 2112001641524 is 4251461002112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 754935076900 + 1357066564624 = 868870^2 + 1164932^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2312207 + ... + 3093590.

It is an arithmetic number, because the mean of its divisors is an integer number (308003449747).

Almost surely, 2^{2112001641524} is an apocalyptic number.

It is an amenable number.

2112001641524 is a deficient number, since it is larger than the sum of its proper divisors (1584039755440).

2112001641524 is a wasteful number, since it uses less digits than its factorization.

2112001641524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503474 (or 5503472 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 2112001641524 its reverse (4251461002112), we get a palindrome (6363462643636).

The spelling of 2112001641524 in words is "two trillion, one hundred twelve billion, one million, six hundred forty-one thousand, five hundred twenty-four".