2017860012 has 240 divisors, whose sum is σ = 6369656832. Its totient is φ = 544579200.

The previous prime is 2017859959. The next prime is 2017860017. The reversal of 2017860012 is 2100687102.

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

It is not an unprimeable number, because it can be changed into a prime (2017860017) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5268373 + ... + 5268755.

Almost surely, 2^2017860012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2017860012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184828416).

2017860012 is an abundant number, since it is smaller than the sum of its proper divisors (4351796820).

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

2017860012 is a wasteful number, since it uses less digits than its factorization.

2017860012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 2017860012 is about 44920.5967458136. The cubic root of 2017860012 is about 1263.6603088614.

The spelling of 2017860012 in words is "two billion, seventeen million, eight hundred sixty thousand, twelve".