1243433331140 has 96 divisors (see below), whose sum is σ = 3505960329984. Its totient is φ = 357751042560.

The previous prime is 1243433331113. The next prime is 1243433331191. The reversal of 1243433331140 is 411333343421.

It is a happy number.

It is a super-2 number, since 2×1243433331140² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1243433331097 and 1243433331106.

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 31 ways as a sum of consecutive naturals, for example, 31034759 + ... + 31074798.

It is an arithmetic number, because the mean of its divisors is an integer number (36520420104).

Almost surely, 2^{1243433331140} is an apocalyptic number.

1243433331140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243433331140 is an abundant number, since it is smaller than the sum of its proper divisors (2262526998844).

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

1243433331140 is a wasteful number, since it uses less digits than its factorization.

1243433331140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62109597 (or 62109595 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 1243433331140 its reverse (411333343421), we get a palindrome (1654766674561).

The spelling of 1243433331140 in words is "one trillion, two hundred forty-three billion, four hundred thirty-three million, three hundred thirty-one thousand, one hundred forty".