20000212103 has 4 divisors (see below), whose sum is σ = 20051626920. Its totient is φ = 19948797288.

The previous prime is 20000212087. The next prime is 20000212121. The reversal of 20000212103 is 30121200002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30121200002 = 2 ⋅15060600001.

It is a cyclic number.

It is not a de Polignac number, because 20000212103 - 2⁴ = 20000212087 is a prime.

It is a super-3 number, since 3×20000212103³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000218103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25706825 + ... + 25707602.

It is an arithmetic number, because the mean of its divisors is an integer number (5012906730).

Almost surely, 2^20000212103 is an apocalyptic number.

20000212103 is a deficient number, since it is larger than the sum of its proper divisors (51414817).

20000212103 is an equidigital number, since it uses as much as digits as its factorization.

20000212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51414816.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000212103 its reverse (30121200002), we get a palindrome (50121412105).

The spelling of 20000212103 in words is "twenty billion, two hundred twelve thousand, one hundred three".