10012121222022 has 48 divisors (see below), whose sum is σ = 21815319026592. Its totient is φ = 3318548849280.

The previous prime is 10012121221997. The next prime is 10012121222023. The reversal of 10012121222022 is 22022212121001.

It is a happy number.

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 = 10012121221986 and 10012121222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012121222023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28518738 + ... + 28867674.

It is an arithmetic number, because the mean of its divisors is an integer number (454485813054).

Almost surely, 2^{10012121222022} is an apocalyptic number.

10012121222022 is an abundant number, since it is smaller than the sum of its proper divisors (11803197804570).

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

10012121222022 is a wasteful number, since it uses less digits than its factorization.

10012121222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357933 (or 357930 counting only the distinct ones).

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

Adding to 10012121222022 its reverse (22022212121001), we get a palindrome (32034333343023).

The spelling of 10012121222022 in words is "ten trillion, twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, twenty-two".