120012443400 has 96 divisors (see below), whose sum is σ = 373986777600. Its totient is φ = 31835731200.

The previous prime is 120012443357. The next prime is 120012443431. The reversal of 120012443400 is 4344210021.

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, 409015 + ... + 638214.

It is an arithmetic number, because the mean of its divisors is an integer number (3895695600).

Almost surely, 2^120012443400 is an apocalyptic number.

120012443400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012443400 is an abundant number, since it is smaller than the sum of its proper divisors (253974334200).

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

120012443400 is a wasteful number, since it uses less digits than its factorization.

120012443400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047439 (or 1047430 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120012443400 its reverse (4344210021), we get a palindrome (124356653421).

The spelling of 120012443400 in words is "one hundred twenty billion, twelve million, four hundred forty-three thousand, four hundred".