10178021712 has 80 divisors (see below), whose sum is σ = 26963399232. Its totient is φ = 3306378240.

The previous prime is 10178021701. The next prime is 10178021729. The reversal of 10178021712 is 21712087101.

It is a self number, because there is not a number n which added to its sum of digits gives 10178021712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2333838 + ... + 2338194.

Almost surely, 2^10178021712 is an apocalyptic number.

10178021712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10178021712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13481699616).

10178021712 is an abundant number, since it is smaller than the sum of its proper divisors (16785377520).

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

10178021712 is a wasteful number, since it uses less digits than its factorization.

10178021712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596 (or 5590 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 30.

The spelling of 10178021712 in words is "ten billion, one hundred seventy-eight million, twenty-one thousand, seven hundred twelve".