120221012122 has 4 divisors (see below), whose sum is σ = 180331518186. Its totient is φ = 60110506060.

The previous prime is 120221012117. The next prime is 120221012123. The reversal of 120221012122 is 221210122021.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 104297348401 + 15923663721 = 322951^2 + 126189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120221012096 and 120221012105.

It is not an unprimeable number, because it can be changed into a prime (120221012123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055253029 + ... + 30055253032.

Almost surely, 2^120221012122 is an apocalyptic number.

120221012122 is a deficient number, since it is larger than the sum of its proper divisors (60110506064).

120221012122 is an equidigital number, since it uses as much as digits as its factorization.

120221012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110506063.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120221012122 its reverse (221210122021), we get a palindrome (341431134143).

It can be divided in two parts, 12022 and 1012122, that added together give a square (1024144 = 1012²).

The spelling of 120221012122 in words is "one hundred twenty billion, two hundred twenty-one million, twelve thousand, one hundred twenty-two".