12046871444 has 6 divisors (see below), whose sum is σ = 21082025034. Its totient is φ = 6023435720.

The previous prime is 12046871423. The next prime is 12046871461. The reversal of 12046871444 is 44417864021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9382247044 + 2664624400 = 96862^2 + 51620^2 .

It is a super-2 number, since 2×12046871444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1505858927 + ... + 1505858934.

It is an arithmetic number, because the mean of its divisors is an integer number (3513670839).

Almost surely, 2^12046871444 is an apocalyptic number.

It is an amenable number.

12046871444 is a deficient number, since it is larger than the sum of its proper divisors (9035153590).

12046871444 is a wasteful number, since it uses less digits than its factorization.

12046871444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011717865 (or 3011717863 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 12046871444 in words is "twelve billion, forty-six million, eight hundred seventy-one thousand, four hundred forty-four".