120342431400 has 96 divisors (see below), whose sum is σ = 375999267840. Its totient is φ = 31838607360.

The previous prime is 120342431381. The next prime is 120342431413. The reversal of 120342431400 is 4134243021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713449 + ... + 865848.

It is an arithmetic number, because the mean of its divisors is an integer number (3916659040).

Almost surely, 2^120342431400 is an apocalyptic number.

120342431400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120342431400 is an abundant number, since it is smaller than the sum of its proper divisors (255656836440).

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

120342431400 is a wasteful number, since it uses less digits than its factorization.

120342431400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579443 (or 1579434 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 120342431400 its reverse (4134243021), we get a palindrome (124476674421).

The spelling of 120342431400 in words is "one hundred twenty billion, three hundred forty-two million, four hundred thirty-one thousand, four hundred".