17012100520 has 16 divisors (see below), whose sum is σ = 38277226260. Its totient is φ = 6804840192.

The previous prime is 17012100517. The next prime is 17012100541. The reversal of 17012100520 is 2500121071.

It can be written as a sum of positive squares in 2 ways, for example, as 16826759524 + 185340996 = 129718^2 + 13614^2 .

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, 212651217 + ... + 212651296.

Almost surely, 2^17012100520 is an apocalyptic number.

17012100520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17012100520 is an abundant number, since it is smaller than the sum of its proper divisors (21265125740).

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

17012100520 is a wasteful number, since it uses less digits than its factorization.

17012100520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425302524 (or 425302520 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

Adding to 17012100520 its reverse (2500121071), we get a palindrome (19512221591).

The spelling of 17012100520 in words is "seventeen billion, twelve million, one hundred thousand, five hundred twenty".