2012203531305 has 80 divisors (see below), whose sum is σ = 3957722835264. Its totient is φ = 969974075520.

The previous prime is 2012203531291. The next prime is 2012203531321. The reversal of 2012203531305 is 5031353022102.

It is a happy number.

2012203531305 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 2 + 0 + 353 + 1 + 305 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2012203531305 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 534699 + ... + 2076128.

Almost surely, 2^{2012203531305} is an apocalyptic number.

It is an amenable number.

2012203531305 is a deficient number, since it is larger than the sum of its proper divisors (1945519303959).

2012203531305 is a wasteful number, since it uses less digits than its factorization.

2012203531305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611028 (or 2611019 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 2012203531305 its reverse (5031353022102), we get a palindrome (7043556553407).

The spelling of 2012203531305 in words is "two trillion, twelve billion, two hundred three million, five hundred thirty-one thousand, three hundred five".