12044271870 has 24 divisors (see below), whose sum is σ = 31315107096. Its totient is φ = 3211805808.

The previous prime is 12044271803. The next prime is 12044271881. The reversal of 12044271870 is 7817244021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66912532 + ... + 66912711.

It is an arithmetic number, because the mean of its divisors is an integer number (1304796129).

Almost surely, 2^12044271870 is an apocalyptic number.

12044271870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12044271870 is an abundant number, since it is smaller than the sum of its proper divisors (19270835226).

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

12044271870 is a wasteful number, since it uses less digits than its factorization.

12044271870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133825256 (or 133825253 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 12044271870 in words is "twelve billion, forty-four million, two hundred seventy-one thousand, eight hundred seventy".