1312241444442 has 24 divisors (see below), whose sum is σ = 2909310490944. Its totient is φ = 427241400264.

The previous prime is 1312241444441. The next prime is 1312241444483. The reversal of 1312241444442 is 2444441422131.

1312241444442 is a `hidden beast` number, since 13 + 122 + 41 + 4 + 44 + 442 = 666.

It is a super-2 number, since 2×1312241444442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1312241444397 and 1312241444406.

It is not an unprimeable number, because it can be changed into a prime (1312241444441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 847700418 + ... + 847701965.

It is an arithmetic number, because the mean of its divisors is an integer number (121221270456).

Almost surely, 2^{1312241444442} is an apocalyptic number.

1312241444442 is an abundant number, since it is smaller than the sum of its proper divisors (1597069046502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312241444442 is a wasteful number, since it uses less digits than its factorization.

1312241444442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695402434 (or 1695402431 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 1312241444442 its reverse (2444441422131), we get a palindrome (3756682866573).

The spelling of 1312241444442 in words is "one trillion, three hundred twelve billion, two hundred forty-one million, four hundred forty-four thousand, four hundred forty-two".