20012200112122 has 8 divisors (see below), whose sum is σ = 30021951609972. Its totient is φ = 10004882908800.

The previous prime is 20012200112089. The next prime is 20012200112143. The reversal of 20012200112122 is 22121100221002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19525360400001 + 486839712121 = 4418751^2 + 697739^2 .

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 = 20012200112096 and 20012200112105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608553079 + ... + 608585962.

Almost surely, 2^{20012200112122} is an apocalyptic number.

20012200112122 is a deficient number, since it is larger than the sum of its proper divisors (10009751497850).

20012200112122 is a wasteful number, since it uses less digits than its factorization.

20012200112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217147264.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20012200112122 its reverse (22121100221002), we get a palindrome (42133300333124).

The spelling of 20012200112122 in words is "twenty trillion, twelve billion, two hundred million, one hundred twelve thousand, one hundred twenty-two".