212011112020203 has 24 divisors (see below), whose sum is σ = 319868432855712. Its totient is φ = 135062031084288.

The previous prime is 212011112020193. The next prime is 212011112020223. The reversal of 212011112020203 is 302020211110212.

212011112020203 is a `hidden beast` number, since 212 + 0 + 111 + 120 + 20 + 203 = 666.

It is not a de Polignac number, because 212011112020203 - 2¹⁶ = 212011111954667 is a prime.

It is a super-2 number, since 2×212011112020203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011112020223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 505322526 + ... + 505741907.

It is an arithmetic number, because the mean of its divisors is an integer number (13327851368988).

Almost surely, 2^{212011112020203} is an apocalyptic number.

212011112020203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212011112020203 is a deficient number, since it is larger than the sum of its proper divisors (107857320835509).

212011112020203 is a wasteful number, since it uses less digits than its factorization.

212011112020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011065475 (or 1011065472 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212011112020203 its reverse (302020211110212), we get a palindrome (514031323130415).

Subtracting 212011112020203 from its reverse (302020211110212), we obtain a palindrome (90009099090009).

The spelling of 212011112020203 in words is "two hundred twelve trillion, eleven billion, one hundred twelve million, twenty thousand, two hundred three".