1243344404130 has 64 divisors (see below), whose sum is σ = 3088846051200. Its totient is φ = 319926136320.

The previous prime is 1243344404039. The next prime is 1243344404177. The reversal of 1243344404130 is 314044433421.

It is a super-2 number, since 2×1243344404130² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243344404091 and 1243344404100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955725 + ... + 1843935.

It is an arithmetic number, because the mean of its divisors is an integer number (48263219550).

Almost surely, 2^{1243344404130} is an apocalyptic number.

1243344404130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243344404130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544423025600).

1243344404130 is an abundant number, since it is smaller than the sum of its proper divisors (1845501647070).

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

1243344404130 is a wasteful number, since it uses less digits than its factorization.

1243344404130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889859.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1243344404130 its reverse (314044433421), we get a palindrome (1557388837551).

The spelling of 1243344404130 in words is "one trillion, two hundred forty-three billion, three hundred forty-four million, four hundred four thousand, one hundred thirty".