120310043240 has 32 divisors (see below), whose sum is σ = 270708562080. Its totient is φ = 48122068032.

The previous prime is 120310043213. The next prime is 120310043257. The reversal of 120310043240 is 42340013021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 1332407 + ... + 1419833.

It is an arithmetic number, because the mean of its divisors is an integer number (8459642565).

Almost surely, 2^120310043240 is an apocalyptic number.

120310043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120310043240 is an abundant number, since it is smaller than the sum of its proper divisors (150398518840).

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

120310043240 is a wasteful number, since it uses less digits than its factorization.

120310043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121841 (or 121837 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 120310043240 its reverse (42340013021), we get a palindrome (162650056261).

The spelling of 120310043240 in words is "one hundred twenty billion, three hundred ten million, forty-three thousand, two hundred forty".