1214451144243 has 20 divisors (see below), whose sum is σ = 1819043903248. Its totient is φ = 807463475280.

The previous prime is 1214451144223. The next prime is 1214451144323. The reversal of 1214451144243 is 3424411544121.

1214451144243 is a `hidden beast` number, since 1 + 21 + 4 + 451 + 144 + 2 + 43 = 666.

It is not a de Polignac number, because 1214451144243 - 2¹⁴ = 1214451127859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214451144198 and 1214451144207.

It is not an unprimeable number, because it can be changed into a prime (1214451144223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20067943 + ... + 20128368.

Almost surely, 2^{1214451144243} is an apocalyptic number.

1214451144243 is a deficient number, since it is larger than the sum of its proper divisors (604592759005).

1214451144243 is an equidigital number, since it uses as much as digits as its factorization.

1214451144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40196696 (or 40196687 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

Adding to 1214451144243 its reverse (3424411544121), we get a palindrome (4638862688364).

The spelling of 1214451144243 in words is "one trillion, two hundred fourteen billion, four hundred fifty-one million, one hundred forty-four thousand, two hundred forty-three".