2022210121212 has 120 divisors (see below), whose sum is σ = 5377321159056. Its totient is φ = 662566528512.

The previous prime is 2022210121193. The next prime is 2022210121357. The reversal of 2022210121212 is 2121210122202.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5106868 + ... + 5488580.

Almost surely, 2^{2022210121212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022210121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688660579528).

2022210121212 is an abundant number, since it is smaller than the sum of its proper divisors (3355111037844).

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

2022210121212 is a wasteful number, since it uses less digits than its factorization.

2022210121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382009 (or 381998 counting only the distinct ones).

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

Adding to 2022210121212 its reverse (2121210122202), we get a palindrome (4143420243414).

The spelling of 2022210121212 in words is "two trillion, twenty-two billion, two hundred ten million, one hundred twenty-one thousand, two hundred twelve".