201351010112520 has 64 divisors (see below), whose sum is σ = 612327729409920. Its totient is φ = 52958073890304.

The previous prime is 201351010112519. The next prime is 201351010112689. The reversal of 201351010112520 is 25211010153102.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 11492628804 + ... + 11492646323.

It is an arithmetic number, because the mean of its divisors is an integer number (9567620772030).

Almost surely, 2^{201351010112520} is an apocalyptic number.

201351010112520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201351010112520 is an abundant number, since it is smaller than the sum of its proper divisors (410976719297400).

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

201351010112520 is a wasteful number, since it uses less digits than its factorization.

201351010112520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22985275214 (or 22985275210 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 201351010112520 its reverse (25211010153102), we get a palindrome (226562020265622).

The spelling of 201351010112520 in words is "two hundred one trillion, three hundred fifty-one billion, ten million, one hundred twelve thousand, five hundred twenty".