120012221120022 has 72 divisors (see below), whose sum is σ = 326644833282768. Its totient is φ = 31172005481760.

The previous prime is 120012221120021. The next prime is 120012221120027. The reversal of 120012221120022 is 220021122210021.

It is a happy number.

It is a super-2 number, since 2×120012221120022² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120012221119977 and 120012221120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012221120021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3935844033 + ... + 3935874524.

It is an arithmetic number, because the mean of its divisors is an integer number (4536733795594).

Almost surely, 2^{120012221120022} is an apocalyptic number.

120012221120022 is an abundant number, since it is smaller than the sum of its proper divisors (206632612162746).

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

120012221120022 is a wasteful number, since it uses less digits than its factorization.

120012221120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871718594 (or 7871718580 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120012221120022 its reverse (220021122210021), we get a palindrome (340033343330043).

The spelling of 120012221120022 in words is "one hundred twenty trillion, twelve billion, two hundred twenty-one million, one hundred twenty thousand, twenty-two".