1213444312034 has 4 divisors (see below), whose sum is σ = 1820166468054. Its totient is φ = 606722156016.

The previous prime is 1213444312021. The next prime is 1213444312049. The reversal of 1213444312034 is 4302134443121.

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., 694143921409 + 519300390625 = 833153^2 + 720625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303361078007 + ... + 303361078010.

Almost surely, 2^{1213444312034} is an apocalyptic number.

1213444312034 is a deficient number, since it is larger than the sum of its proper divisors (606722156020).

1213444312034 is an equidigital number, since it uses as much as digits as its factorization.

1213444312034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606722156019.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1213444312034 its reverse (4302134443121), we get a palindrome (5515578755155).

The spelling of 1213444312034 in words is "one trillion, two hundred thirteen billion, four hundred forty-four million, three hundred twelve thousand, thirty-four".