1244312143004 has 24 divisors (see below), whose sum is σ = 2574438918240. Its totient is φ = 514887782976.

The previous prime is 1244312142889. The next prime is 1244312143037. The reversal of 1244312143004 is 4003412134421.

It is a super-2 number, since 2×1244312143004² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766201247 + ... + 766202870.

It is an arithmetic number, because the mean of its divisors is an integer number (107268288260).

Almost surely, 2^{1244312143004} is an apocalyptic number.

1244312143004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244312143004 is an abundant number, since it is smaller than the sum of its proper divisors (1330126775236).

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

1244312143004 is a wasteful number, since it uses less digits than its factorization.

1244312143004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532404157 (or 1532404155 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1244312143004 its reverse (4003412134421), we get a palindrome (5247724277425).

The spelling of 1244312143004 in words is "one trillion, two hundred forty-four billion, three hundred twelve million, one hundred forty-three thousand, four".