120244131243 has 24 divisors (see below), whose sum is σ = 175636188000. Its totient is φ = 79264157184.

The previous prime is 120244131199. The next prime is 120244131263. The reversal of 120244131243 is 342131442021.

120244131243 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 4 + 413 + 1 + 243 = 666.

It is not a de Polignac number, because 120244131243 - 2¹⁶ = 120244065707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120244131263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 906058 + ... + 1030256.

It is an arithmetic number, because the mean of its divisors is an integer number (7318174500).

Almost surely, 2^120244131243 is an apocalyptic number.

120244131243 is a deficient number, since it is larger than the sum of its proper divisors (55392056757).

120244131243 is a wasteful number, since it uses less digits than its factorization.

120244131243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125411 (or 125408 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 120244131243 its reverse (342131442021), we get a palindrome (462375573264).

The spelling of 120244131243 in words is "one hundred twenty billion, two hundred forty-four million, one hundred thirty-one thousand, two hundred forty-three".