212022102123 has 32 divisors (see below), whose sum is σ = 346135623680. Its totient is φ = 127440825120.

The previous prime is 212022102121. The next prime is 212022102143. The reversal of 212022102123 is 321201220212.

It is not a de Polignac number, because 212022102123 - 2¹ = 212022102121 is a prime.

It is a super-4 number, since 4×212022102123⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212022102096 and 212022102105.

It is not an unprimeable number, because it can be changed into a prime (212022102121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7008763 + ... + 7038948.

It is an arithmetic number, because the mean of its divisors is an integer number (10816738240).

Almost surely, 2^212022102123 is an apocalyptic number.

212022102123 is a deficient number, since it is larger than the sum of its proper divisors (134113521557).

212022102123 is a wasteful number, since it uses less digits than its factorization.

212022102123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14047776 (or 14047770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212022102123 its reverse (321201220212), we get a palindrome (533223322335).

The spelling of 212022102123 in words is "two hundred twelve billion, twenty-two million, one hundred two thousand, one hundred twenty-three".