1223121203022 has 16 divisors (see below), whose sum is σ = 2446384580352. Its totient is φ = 407683371960.

The previous prime is 1223121203011. The next prime is 1223121203023. The reversal of 1223121203022 is 2203021213221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223121203022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223121203023) 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 7 ways as a sum of consecutive naturals, for example, 5811928 + ... + 6018699.

It is an arithmetic number, because the mean of its divisors is an integer number (152899036272).

Almost surely, 2^{1223121203022} is an apocalyptic number.

1223121203022 is an abundant number, since it is smaller than the sum of its proper divisors (1223263377330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223121203022 is a wasteful number, since it uses less digits than its factorization.

1223121203022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847863.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1223121203022 its reverse (2203021213221), we get a palindrome (3426142416243).

The spelling of 1223121203022 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-one million, two hundred three thousand, twenty-two".