12013221303122 has 8 divisors (see below), whose sum is σ = 19405972874316. Its totient is φ = 5544563678352.

The previous prime is 12013221303121. The next prime is 12013221303131. The reversal of 12013221303122 is 22130312231021.

It can be written as a sum of positive squares in 2 ways, for example, as 9994835654521 + 2018385648601 = 3161461^2 + 1420699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12013221303121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231023486573 + ... + 231023486624.

Almost surely, 2^{12013221303122} is an apocalyptic number.

12013221303122 is a deficient number, since it is larger than the sum of its proper divisors (7392751571194).

12013221303122 is a wasteful number, since it uses less digits than its factorization.

12013221303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462046973212.

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

Adding to 12013221303122 its reverse (22130312231021), we get a palindrome (34143533534143).

The spelling of 12013221303122 in words is "twelve trillion, thirteen billion, two hundred twenty-one million, three hundred three thousand, one hundred twenty-two".