120412343044 has 72 divisors (see below), whose sum is σ = 247305246552. Its totient is φ = 51147532800.

The previous prime is 120412342997. The next prime is 120412343047. The reversal of 120412343044 is 440343214021.

It can be written as a sum of positive squares in 4 ways, for example, as 9902638144 + 110509704900 = 99512^2 + 332430^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (120412343047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18820054 + ... + 18826450.

It is an arithmetic number, because the mean of its divisors is an integer number (3434795091).

Almost surely, 2^120412343044 is an apocalyptic number.

120412343044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120412343044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123652623276).

120412343044 is an abundant number, since it is smaller than the sum of its proper divisors (126892903508).

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

120412343044 is a wasteful number, since it uses less digits than its factorization.

120412343044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253 (or 7244 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 120412343044 its reverse (440343214021), we get a palindrome (560755557065).

The spelling of 120412343044 in words is "one hundred twenty billion, four hundred twelve million, three hundred forty-three thousand, forty-four".