1212012022203 has 24 divisors (see below), whose sum is σ = 1811170124400. Its totient is φ = 780094977984.

The previous prime is 1212012022183. The next prime is 1212012022213. The reversal of 1212012022203 is 3022202102121.

It is not a de Polignac number, because 1212012022203 - 2¹³ = 1212012014011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212012022213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4102953 + ... + 4388421.

It is an arithmetic number, because the mean of its divisors is an integer number (75465421850).

Almost surely, 2^{1212012022203} is an apocalyptic number.

1212012022203 is a deficient number, since it is larger than the sum of its proper divisors (599158102197).

1212012022203 is a wasteful number, since it uses less digits than its factorization.

1212012022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301771 (or 301768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1212012022203 its reverse (3022202102121), we get a palindrome (4234214124324).

The spelling of 1212012022203 in words is "one trillion, two hundred twelve billion, twelve million, twenty-two thousand, two hundred three".