20122112123222 has 4 divisors (see below), whose sum is σ = 30183168184836. Its totient is φ = 10061056061610.

The previous prime is 20122112123189. The next prime is 20122112123237. The reversal of 20122112123222 is 22232121122102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20122112123222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5030528030804 + ... + 5030528030807.

It is an arithmetic number, because the mean of its divisors is an integer number (7545792046209).

Almost surely, 2^{20122112123222} is an apocalyptic number.

20122112123222 is a deficient number, since it is larger than the sum of its proper divisors (10061056061614).

20122112123222 is a wasteful number, since it uses less digits than its factorization.

20122112123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061056061613.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20122112123222 its reverse (22232121122102), we get a palindrome (42354233245324).

The spelling of 20122112123222 in words is "twenty trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty-three thousand, two hundred twenty-two".