120221212100072 has 32 divisors (see below), whose sum is σ = 227757890035200. Its totient is φ = 59485879540224.

The previous prime is 120221212100071. The next prime is 120221212100159. The reversal of 120221212100072 is 270001212122021.

It is not an unprimeable number, because it can be changed into a prime (120221212100071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2644103 + ... + 15730025.

It is an arithmetic number, because the mean of its divisors is an integer number (7117434063600).

Almost surely, 2^{120221212100072} is an apocalyptic number.

It is an amenable number.

120221212100072 is a deficient number, since it is larger than the sum of its proper divisors (107536677935128).

120221212100072 is a wasteful number, since it uses less digits than its factorization.

120221212100072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13097865 (or 13097861 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 120221212100072 its reverse (270001212122021), we get a palindrome (390222424222093).

The spelling of 120221212100072 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, seventy-two".