20212212110123 has 16 divisors (see below), whose sum is σ = 22166769457152. Its totient is φ = 18277182924000.

The previous prime is 20212212110119. The next prime is 20212212110203. The reversal of 20212212110123 is 32101121221202.

It is not a de Polignac number, because 20212212110123 - 2² = 20212212110119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20212212110095 and 20212212110104.

It is not an unprimeable number, because it can be changed into a prime (20212212110023) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 28604840 + ... + 29302922.

It is an arithmetic number, because the mean of its divisors is an integer number (1385423091072).

Almost surely, 2^{20212212110123} is an apocalyptic number.

20212212110123 is a deficient number, since it is larger than the sum of its proper divisors (1954557347029).

20212212110123 is a wasteful number, since it uses less digits than its factorization.

20212212110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712066.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20212212110123 its reverse (32101121221202), we get a palindrome (52313333331325).

The spelling of 20212212110123 in words is "twenty trillion, two hundred twelve billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-three".