1222103511342 has 48 divisors (see below), whose sum is σ = 3026228779392. Its totient is φ = 349164619920.

The previous prime is 1222103511311. The next prime is 1222103511389. The reversal of 1222103511342 is 2431153012221.

It is a happy number.

1222103511342 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 103 + 511 + 3 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7857333 + ... + 8011359.

It is an arithmetic number, because the mean of its divisors is an integer number (63046432904).

Almost surely, 2^{1222103511342} is an apocalyptic number.

1222103511342 is an abundant number, since it is smaller than the sum of its proper divisors (1804125268050).

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

1222103511342 is a wasteful number, since it uses less digits than its factorization.

1222103511342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217013 (or 217010 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1222103511342 its reverse (2431153012221), we get a palindrome (3653256523563).

The spelling of 1222103511342 in words is "one trillion, two hundred twenty-two billion, one hundred three million, five hundred eleven thousand, three hundred forty-two".