1243334444121 has 144 divisors (see below), whose sum is σ = 2350641316608. Its totient is φ = 625875264000.

The previous prime is 1243334444101. The next prime is 1243334444159. The reversal of 1243334444121 is 1214444333421.

1243334444121 is a `hidden beast` number, since 1 + 243 + 334 + 44 + 41 + 2 + 1 = 666.

It is not a de Polignac number, because 1243334444121 - 2⁵ = 1243334444089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1243334444101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 23000701 + ... + 23054693.

It is an arithmetic number, because the mean of its divisors is an integer number (16323898032).

Almost surely, 2^{1243334444121} is an apocalyptic number.

1243334444121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1243334444121 is a deficient number, since it is larger than the sum of its proper divisors (1107306872487).

1243334444121 is a wasteful number, since it uses less digits than its factorization.

1243334444121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54172 (or 54162 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 1243334444121 its reverse (1214444333421), we get a palindrome (2457778777542).

The spelling of 1243334444121 in words is "one trillion, two hundred forty-three billion, three hundred thirty-four million, four hundred forty-four thousand, one hundred twenty-one".