120221222121012 has 24 divisors (see below), whose sum is σ = 280517701377312. Its totient is φ = 40073524074400.

The previous prime is 120221222120999. The next prime is 120221222121029. The reversal of 120221222121012 is 210121222122021.

It is a self number, because there is not a number n which added to its sum of digits gives 120221222121012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24758814 + ... + 29213717.

It is an arithmetic number, because the mean of its divisors is an integer number (11688237557388).

Almost surely, 2^{120221222121012} is an apocalyptic number.

120221222121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221222121012 is an abundant number, since it is smaller than the sum of its proper divisors (160296479256300).

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

120221222121012 is a wasteful number, since it uses less digits than its factorization.

120221222121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54158159 (or 54158157 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 120221222121012 its reverse (210121222122021), we get a palindrome (330342444243033).

The spelling of 120221222121012 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-one thousand, twelve".