1214551312322 has 4 divisors (see below), whose sum is σ = 1821826968486. Its totient is φ = 607275656160.

The previous prime is 1214551312319. The next prime is 1214551312357. The reversal of 1214551312322 is 2232131554121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 995966076361 + 218585235961 = 997981^2 + 467531^2 .

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 as a sum of consecutive naturals, namely, 303637828079 + ... + 303637828082.

Almost surely, 2^{1214551312322} is an apocalyptic number.

1214551312322 is a deficient number, since it is larger than the sum of its proper divisors (607275656164).

1214551312322 is an equidigital number, since it uses as much as digits as its factorization.

1214551312322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607275656163.

The product of its digits is 14400, while the sum is 32.

Adding to 1214551312322 its reverse (2232131554121), we get a palindrome (3446682866443).

The spelling of 1214551312322 in words is "one trillion, two hundred fourteen billion, five hundred fifty-one million, three hundred twelve thousand, three hundred twenty-two".