120221201232440 has 64 divisors (see below), whose sum is σ = 337243889180160. Its totient is φ = 37471543240320.

The previous prime is 120221201232437. The next prime is 120221201232511. The reversal of 120221201232440 is 44232102122021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19516425692 + ... + 19516431851.

It is an arithmetic number, because the mean of its divisors is an integer number (5269435768440).

Almost surely, 2^{120221201232440} is an apocalyptic number.

120221201232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120221201232440 is an abundant number, since it is smaller than the sum of its proper divisors (217022687947720).

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

120221201232440 is a wasteful number, since it uses less digits than its factorization.

120221201232440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39032857572 (or 39032857568 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 120221201232440 its reverse (44232102122021), we get a palindrome (164453303354461).

The spelling of 120221201232440 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred thirty-two thousand, four hundred forty".