12041571412 has 48 divisors (see below), whose sum is σ = 23407976592. Its totient is φ = 5384033280.

The previous prime is 12041571389. The next prime is 12041571419. The reversal of 12041571412 is 21417514021.

It can be written as a sum of positive squares in 8 ways, for example, as 2160018576 + 9881552836 = 46476^2 + 99406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041571419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434862 + ... + 461722.

It is an arithmetic number, because the mean of its divisors is an integer number (487666179).

Almost surely, 2^12041571412 is an apocalyptic number.

It is an amenable number.

12041571412 is a deficient number, since it is larger than the sum of its proper divisors (11366405180).

12041571412 is a wasteful number, since it uses less digits than its factorization.

12041571412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27148 (or 27146 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The spelling of 12041571412 in words is "twelve billion, forty-one million, five hundred seventy-one thousand, four hundred twelve".