12012001004 has 12 divisors (see below), whose sum is σ = 21030414384. Its totient is φ = 6003311184.

The previous prime is 12012000991. The next prime is 12012001031. The reversal of 12012001004 is 40010021021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662264 + ... + 680159.

It is an arithmetic number, because the mean of its divisors is an integer number (1752534532).

Almost surely, 2^12012001004 is an apocalyptic number.

It is an amenable number.

12012001004 is a deficient number, since it is larger than the sum of its proper divisors (9018413380).

12012001004 is a wasteful number, since it uses less digits than its factorization.

12012001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344664 (or 1344662 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12012001004 its reverse (40010021021), we get a palindrome (52022022025).

The spelling of 12012001004 in words is "twelve billion, twelve million, one thousand, four".