12203232312122 has 8 divisors (see below), whose sum is σ = 18304866698196. Its totient is φ = 6101610079392.

The previous prime is 12203232312121. The next prime is 12203232312191. The reversal of 12203232312122 is 22121323230221.

It can be written as a sum of positive squares in 2 ways, for example, as 11577897722161 + 625334589961 = 3402631^2 + 790781^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12203232312091 and 12203232312100.

It is not an unprimeable number, because it can be changed into a prime (12203232312121) 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, 134648 + ... + 4942124.

Almost surely, 2^{12203232312122} is an apocalyptic number.

12203232312122 is a deficient number, since it is larger than the sum of its proper divisors (6101634386074).

12203232312122 is a wasteful number, since it uses less digits than its factorization.

12203232312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076672.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12203232312122 its reverse (22121323230221), we get a palindrome (34324555542343).

The spelling of 12203232312122 in words is "twelve trillion, two hundred three billion, two hundred thirty-two million, three hundred twelve thousand, one hundred twenty-two".