212013021203 has 2 divisors, whose sum is σ = 212013021204. Its totient is φ = 212013021202.

The previous prime is 212013021169. The next prime is 212013021221. The reversal of 212013021203 is 302120310212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212013021203 - 2³⁰ = 210939279379 is a prime.

It is not a weakly prime, because it can be changed into another prime (212013021263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006510601 + 106006510602.

It is an arithmetic number, because the mean of its divisors is an integer number (106006510602).

Almost surely, 2^212013021203 is an apocalyptic number.

212013021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013021203 is an equidigital number, since it uses as much as digits as its factorization.

212013021203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212013021203 its reverse (302120310212), we get a palindrome (514133331415).

The spelling of 212013021203 in words is "two hundred twelve billion, thirteen million, twenty-one thousand, two hundred three".