120221321130312 has 64 divisors (see below), whose sum is σ = 304762448182080. Its totient is φ = 39512885778432.

The previous prime is 120221321130269. The next prime is 120221321130349. The reversal of 120221321130312 is 213031123122021.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4551718 + ... + 16160469.

It is an arithmetic number, because the mean of its divisors is an integer number (4761913252845).

Almost surely, 2^{120221321130312} is an apocalyptic number.

120221321130312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221321130312 is an abundant number, since it is smaller than the sum of its proper divisors (184541127051768).

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

120221321130312 is a wasteful number, since it uses less digits than its factorization.

120221321130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20715582 (or 20715578 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 120221321130312 its reverse (213031123122021), we get a palindrome (333252444252333).

The spelling of 120221321130312 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twenty-one million, one hundred thirty thousand, three hundred twelve".