12003121231322 has 16 divisors (see below), whose sum is σ = 19707520611912. Its totient is φ = 5449084038720.

The previous prime is 12003121231279. The next prime is 12003121231333. The reversal of 12003121231322 is 22313212130021.

It can be written as a sum of positive squares in 4 ways, for example, as 5960575562041 + 6042545669281 = 2441429^2 + 2458159^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3784084553 + ... + 3784087724.

Almost surely, 2^{12003121231322} is an apocalyptic number.

12003121231322 is a deficient number, since it is larger than the sum of its proper divisors (7704399380590).

12003121231322 is a wasteful number, since it uses less digits than its factorization.

12003121231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568172353.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12003121231322 its reverse (22313212130021), we get a palindrome (34316333361343).

The spelling of 12003121231322 in words is "twelve trillion, three billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty-two".