1243110332144 has 80 divisors (see below), whose sum is σ = 2509391338080. Its totient is φ = 596087009280.

The previous prime is 1243110332143. The next prime is 1243110332147. The reversal of 1243110332144 is 4412330113421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243110332143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23853764 + ... + 23905820.

It is an arithmetic number, because the mean of its divisors is an integer number (31367391726).

Almost surely, 2^{1243110332144} is an apocalyptic number.

It is an amenable number.

1243110332144 is an abundant number, since it is smaller than the sum of its proper divisors (1266281005936).

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

1243110332144 is a wasteful number, since it uses less digits than its factorization.

1243110332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52738 (or 52732 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1243110332144 its reverse (4412330113421), we get a palindrome (5655440445565).

The spelling of 1243110332144 in words is "one trillion, two hundred forty-three billion, one hundred ten million, three hundred thirty-two thousand, one hundred forty-four".