1022212120120 has 32 divisors (see below), whose sum is σ = 2374170088320. Its totient is φ = 395695013760.

The previous prime is 1022212120103. The next prime is 1022212120123. The reversal of 1022212120120 is 210212122201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1022212120094 and 1022212120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022212120123) 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, 412181067 + ... + 412183546.

It is an arithmetic number, because the mean of its divisors is an integer number (74192815260).

Almost surely, 2^{1022212120120} is an apocalyptic number.

1022212120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022212120120 is an abundant number, since it is smaller than the sum of its proper divisors (1351957968200).

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

1022212120120 is a wasteful number, since it uses less digits than its factorization.

1022212120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824364655 (or 824364651 counting only the distinct ones).

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

Adding to 1022212120120 its reverse (210212122201), we get a palindrome (1232424242321).

The spelling of 1022212120120 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".