1213450445222 has 8 divisors (see below), whose sum is σ = 1843215866400. Its totient is φ = 599045156424.

The previous prime is 1213450445209. The next prime is 1213450445237. The reversal of 1213450445222 is 2225440543121.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840032897 + ... + 3840033212.

It is an arithmetic number, because the mean of its divisors is an integer number (230401983300).

Almost surely, 2^{1213450445222} is an apocalyptic number.

1213450445222 is a deficient number, since it is larger than the sum of its proper divisors (629765421178).

1213450445222 is an equidigital number, since it uses as much as digits as its factorization.

1213450445222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680066190.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1213450445222 its reverse (2225440543121), we get a palindrome (3438890988343).

The spelling of 1213450445222 in words is "one trillion, two hundred thirteen billion, four hundred fifty million, four hundred forty-five thousand, two hundred twenty-two".