12203213231122 has 4 divisors (see below), whose sum is σ = 18304819846686. Its totient is φ = 6101606615560.

The previous prime is 12203213231119. The next prime is 12203213231213. The reversal of 12203213231122 is 22113231230221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6173639671761 + 6029573559361 = 2484681^2 + 2455519^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050803307779 + ... + 3050803307782.

Almost surely, 2^{12203213231122} is an apocalyptic number.

12203213231122 is a deficient number, since it is larger than the sum of its proper divisors (6101606615564).

12203213231122 is an equidigital number, since it uses as much as digits as its factorization.

12203213231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101606615563.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12203213231122 its reverse (22113231230221), we get a palindrome (34316444461343).

The spelling of 12203213231122 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, two hundred thirty-one thousand, one hundred twenty-two".