120132221447 has 4 divisors (see below), whose sum is σ = 137293967376. Its totient is φ = 102970475520.

The previous prime is 120132221423. The next prime is 120132221453. The reversal of 120132221447 is 744122231021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120132221447 - 2¹⁰ = 120132220423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120132221497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8580872954 + ... + 8580872967.

It is an arithmetic number, because the mean of its divisors is an integer number (34323491844).

Almost surely, 2^120132221447 is an apocalyptic number.

120132221447 is a deficient number, since it is larger than the sum of its proper divisors (17161745929).

120132221447 is an equidigital number, since it uses as much as digits as its factorization.

120132221447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17161745928.

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 120132221447 its reverse (744122231021), we get a palindrome (864254452468).

The spelling of 120132221447 in words is "one hundred twenty billion, one hundred thirty-two million, two hundred twenty-one thousand, four hundred forty-seven".