10125185112 has 128 divisors (see below), whose sum is σ = 32230080000. Its totient is φ = 2885113728.

The previous prime is 10125185041. The next prime is 10125185123. The reversal of 10125185112 is 21158152101.

10125185112 is a `hidden beast` number, since 10 + 125 + 18 + 511 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564214 + ... + 581882.

It is an arithmetic number, because the mean of its divisors is an integer number (251797500).

Almost surely, 2^10125185112 is an apocalyptic number.

10125185112 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 10125185112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16115040000).

10125185112 is an abundant number, since it is smaller than the sum of its proper divisors (22104894888).

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

10125185112 is a wasteful number, since it uses less digits than its factorization.

10125185112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18070 (or 18060 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 27.

The spelling of 10125185112 in words is "ten billion, one hundred twenty-five million, one hundred eighty-five thousand, one hundred twelve".