1212304323441 has 16 divisors (see below), whose sum is σ = 1625704591104. Its totient is φ = 803558993664.

The previous prime is 1212304323401. The next prime is 1212304323457. The reversal of 1212304323441 is 1443234032121.

It is not a de Polignac number, because 1212304323441 - 2²⁵ = 1212270769009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212304323399 and 1212304323408.

It is not an unprimeable number, because it can be changed into a prime (1212304323401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189081 + ... + 1568553.

It is an arithmetic number, because the mean of its divisors is an integer number (101606536944).

Almost surely, 2^{1212304323441} is an apocalyptic number.

It is an amenable number.

1212304323441 is a deficient number, since it is larger than the sum of its proper divisors (413400267663).

1212304323441 is a wasteful number, since it uses less digits than its factorization.

1212304323441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381160.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1212304323441 its reverse (1443234032121), we get a palindrome (2655538355562).

It can be divided in two parts, 121230 and 4323441, that added together give a triangular number (4444671 = T₂₉₈₁).

The spelling of 1212304323441 in words is "one trillion, two hundred twelve billion, three hundred four million, three hundred twenty-three thousand, four hundred forty-one".