20123101222 has 8 divisors (see below), whose sum is σ = 34496744976. Its totient is φ = 8624186232.

The previous prime is 20123101217. The next prime is 20123101223. The reversal of 20123101222 is 22210132102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20123101196 and 20123101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123101223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718682173 + ... + 718682200.

It is an arithmetic number, because the mean of its divisors is an integer number (4312093122).

Almost surely, 2^20123101222 is an apocalyptic number.

20123101222 is a deficient number, since it is larger than the sum of its proper divisors (14373643754).

20123101222 is a wasteful number, since it uses less digits than its factorization.

20123101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437364382.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20123101222 its reverse (22210132102), we get a palindrome (42333233324).

The spelling of 20123101222 in words is "twenty billion, one hundred twenty-three million, one hundred one thousand, two hundred twenty-two".