12011201204 has 6 divisors (see below), whose sum is σ = 21019602114. Its totient is φ = 6005600600.

The previous prime is 12011201173. The next prime is 12011201221. The reversal of 12011201204 is 40210211021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11972736400 + 38464804 = 109420^2 + 6202^2 .

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, 1501400147 + ... + 1501400154.

It is an arithmetic number, because the mean of its divisors is an integer number (3503267019).

Almost surely, 2^12011201204 is an apocalyptic number.

It is an amenable number.

12011201204 is a deficient number, since it is larger than the sum of its proper divisors (9008400910).

12011201204 is a wasteful number, since it uses less digits than its factorization.

12011201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002800305 (or 3002800303 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12011201204 its reverse (40210211021), we get a palindrome (52221412225).

The spelling of 12011201204 in words is "twelve billion, eleven million, two hundred one thousand, two hundred four".