1020222120012 has 48 divisors (see below), whose sum is σ = 2393318091360. Its totient is φ = 338248484352.

The previous prime is 1020222119957. The next prime is 1020222120019. The reversal of 1020222120012 is 2100212220201.

It is a junction number, because it is equal to n+sod(n) for n = 1020222119973 and 1020222120000.

It is not an unprimeable number, because it can be changed into a prime (1020222120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553568 + ... + 2925944.

It is an arithmetic number, because the mean of its divisors is an integer number (49860793570).

Almost surely, 2^{1020222120012} is an apocalyptic number.

1020222120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020222120012 is an abundant number, since it is smaller than the sum of its proper divisors (1373095971348).

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

1020222120012 is a wasteful number, since it uses less digits than its factorization.

1020222120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373610 (or 373608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020222120012 its reverse (2100212220201), we get a palindrome (3120434340213).

The spelling of 1020222120012 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred twenty thousand, twelve".