1223121312022 has 16 divisors (see below), whose sum is σ = 1837521851760. Its totient is φ = 610614431392.

The previous prime is 1223121312013. The next prime is 1223121312053. The reversal of 1223121312022 is 2202131213221.

It is a junction number, because it is equal to n+sod(n) for n = 1223121311984 and 1223121312002.

It is a congruent number.

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, 6114948 + ... + 6311800.

It is an arithmetic number, because the mean of its divisors is an integer number (114845115735).

Almost surely, 2^{1223121312022} is an apocalyptic number.

1223121312022 is a deficient number, since it is larger than the sum of its proper divisors (614400539738).

1223121312022 is a wasteful number, since it uses less digits than its factorization.

1223121312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201647.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1223121312022 its reverse (2202131213221), we get a palindrome (3425252525243).

The spelling of 1223121312022 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-one million, three hundred twelve thousand, twenty-two".