2012355064520 has 16 divisors (see below), whose sum is σ = 4527798895260. Its totient is φ = 804942025792.

The previous prime is 2012355064513. The next prime is 2012355064553. The reversal of 2012355064520 is 254605532102.

It can be written as a sum of positive squares in 2 ways, for example, as 1872348882244 + 140006182276 = 1368338^2 + 374174^2 .

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, 25154438267 + ... + 25154438346.

Almost surely, 2^{2012355064520} is an apocalyptic number.

2012355064520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012355064520 is an abundant number, since it is smaller than the sum of its proper divisors (2515443830740).

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

2012355064520 is a wasteful number, since it uses less digits than its factorization.

2012355064520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50308876624 (or 50308876620 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2012355064520 in words is "two trillion, twelve billion, three hundred fifty-five million, sixty-four thousand, five hundred twenty".