211212000203 has 4 divisors (see below), whose sum is σ = 211212951720. Its totient is φ = 211211048688.

The previous prime is 211212000179. The next prime is 211212000211. The reversal of 211212000203 is 302000212112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211212000203 is a prime.

It is a super-2 number, since 2×211212000203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211212000283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53351 + ... + 652127.

It is an arithmetic number, because the mean of its divisors is an integer number (52803237930).

Almost surely, 2^211212000203 is an apocalyptic number.

211212000203 is a deficient number, since it is larger than the sum of its proper divisors (951517).

211212000203 is an equidigital number, since it uses as much as digits as its factorization.

211212000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951516.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 211212000203 its reverse (302000212112), we get a palindrome (513212212315).

The spelling of 211212000203 in words is "two hundred eleven billion, two hundred twelve million, two hundred three", and thus it is an aban number.