120243002421015 has 48 divisors (see below), whose sum is σ = 211411804032000. Its totient is φ = 63212127166656.

The previous prime is 120243002421011. The next prime is 120243002421049. The reversal of 120243002421015 is 510124200342021.

120243002421015 is a `hidden beast` number, since 1 + 2 + 0 + 2 + 430 + 0 + 2 + 4 + 210 + 15 = 666.

It is not a de Polignac number, because 120243002421015 - 2² = 120243002421011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120243002421015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243002421011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26103969 + ... + 30362858.

It is an arithmetic number, because the mean of its divisors is an integer number (4404412584000).

Almost surely, 2^{120243002421015} is an apocalyptic number.

120243002421015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120243002421015 is a deficient number, since it is larger than the sum of its proper divisors (91168801610985).

120243002421015 is a wasteful number, since it uses less digits than its factorization.

120243002421015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56467516 (or 56467513 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 120243002421015 its reverse (510124200342021), we get a palindrome (630367202763036).

The spelling of 120243002421015 in words is "one hundred twenty trillion, two hundred forty-three billion, two million, four hundred twenty-one thousand, fifteen".