1240023434112 has 64 divisors (see below), whose sum is σ = 3659791395600. Its totient is φ = 413341143552.

The previous prime is 1240023434057. The next prime is 1240023434113. The reversal of 1240023434112 is 2114343200421.

1240023434112 is a `hidden beast` number, since 1 + 240 + 0 + 2 + 3 + 4 + 3 + 411 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240023434113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179398083 + ... + 179404994.

Almost surely, 2^{1240023434112} is an apocalyptic number.

1240023434112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240023434112 is an abundant number, since it is smaller than the sum of its proper divisors (2419767961488).

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

1240023434112 is an equidigital number, since it uses as much as digits as its factorization.

1240023434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358803100 (or 358803082 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1240023434112 its reverse (2114343200421), we get a palindrome (3354366634533).

The spelling of 1240023434112 in words is "one trillion, two hundred forty billion, twenty-three million, four hundred thirty-four thousand, one hundred twelve".