2012521132243 has 8 divisors (see below), whose sum is σ = 2024109561600. Its totient is φ = 2000936539848.

The previous prime is 2012521132217. The next prime is 2012521132309. The reversal of 2012521132243 is 3422311252102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012521132243 is a prime.

It is a super-2 number, since 2×2012521132243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012521135243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96130 + ... + 2008552.

It is an arithmetic number, because the mean of its divisors is an integer number (253013695200).

Almost surely, 2^{2012521132243} is an apocalyptic number.

2012521132243 is a deficient number, since it is larger than the sum of its proper divisors (11588429357).

2012521132243 is a wasteful number, since it uses less digits than its factorization.

2012521132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918481.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 2012521132243 its reverse (3422311252102), we get a palindrome (5434832384345).

The spelling of 2012521132243 in words is "two trillion, twelve billion, five hundred twenty-one million, one hundred thirty-two thousand, two hundred forty-three".