1240310130420 has 24 divisors (see below), whose sum is σ = 3472868365344. Its totient is φ = 330749368096.

The previous prime is 1240310130413. The next prime is 1240310130439. The reversal of 1240310130420 is 240310130421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10335917694 + ... + 10335917813.

It is an arithmetic number, because the mean of its divisors is an integer number (144702848556).

Almost surely, 2^{1240310130420} is an apocalyptic number.

1240310130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240310130420 is an abundant number, since it is smaller than the sum of its proper divisors (2232558234924).

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

1240310130420 is a wasteful number, since it uses less digits than its factorization.

1240310130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20671835519 (or 20671835517 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1240310130420 its reverse (240310130421), we get a palindrome (1480620260841).

Subtracting from 1240310130420 its reverse (240310130421), we obtain a palindrome (999999999999).

The spelling of 1240310130420 in words is "one trillion, two hundred forty billion, three hundred ten million, one hundred thirty thousand, four hundred twenty".