1222153331234 has 24 divisors (see below), whose sum is σ = 2102648284800. Its totient is φ = 531371011160.

The previous prime is 1222153331233. The next prime is 1222153331291. The reversal of 1222153331234 is 4321333512221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222153331234.

It is not an unprimeable number, because it can be changed into a prime (1222153331233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109781834 + ... + 109792965.

It is an arithmetic number, because the mean of its divisors is an integer number (87610345200).

Almost surely, 2^{1222153331234} is an apocalyptic number.

1222153331234 is a deficient number, since it is larger than the sum of its proper divisors (880494953566).

1222153331234 is a wasteful number, since it uses less digits than its factorization.

1222153331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219574846 (or 219574835 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

Adding to 1222153331234 its reverse (4321333512221), we get a palindrome (5543486843455).

The spelling of 1222153331234 in words is "one trillion, two hundred twenty-two billion, one hundred fifty-three million, three hundred thirty-one thousand, two hundred thirty-four".