120221321301213 has 48 divisors (see below), whose sum is σ = 177212466224640. Its totient is φ = 72440313200640.

The previous prime is 120221321301209. The next prime is 120221321301259. The reversal of 120221321301213 is 312103123122021.

It is not a de Polignac number, because 120221321301213 - 2² = 120221321301209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221321371213) 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, 61284145 + ... + 63215417.

It is an arithmetic number, because the mean of its divisors is an integer number (3691926379680).

Almost surely, 2^{120221321301213} is an apocalyptic number.

It is an amenable number.

120221321301213 is a deficient number, since it is larger than the sum of its proper divisors (56991144923427).

120221321301213 is a wasteful number, since it uses less digits than its factorization.

120221321301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932290 (or 1932279 counting only the distinct ones).

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

Adding to 120221321301213 its reverse (312103123122021), we get a palindrome (432324444423234).

The spelling of 120221321301213 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twenty-one million, three hundred one thousand, two hundred thirteen".