1212212002203 has 24 divisors (see below), whose sum is σ = 1835295501312. Its totient is φ = 769538336688.

The previous prime is 1212212002181. The next prime is 1212212002207. The reversal of 1212212002203 is 3022002122121.

1212212002203 is a `hidden beast` number, since 1 + 21 + 221 + 200 + 220 + 3 = 666.

It is not a de Polignac number, because 1212212002203 - 2¹⁴ = 1212211985819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212212002207) 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, 13084101 + ... + 13176422.

It is an arithmetic number, because the mean of its divisors is an integer number (76470645888).

Almost surely, 2^{1212212002203} is an apocalyptic number.

1212212002203 is a deficient number, since it is larger than the sum of its proper divisors (623083499109).

1212212002203 is a wasteful number, since it uses less digits than its factorization.

1212212002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26260775 (or 26260772 counting only the distinct ones).

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

Adding to 1212212002203 its reverse (3022002122121), we get a palindrome (4234214124324).

The spelling of 1212212002203 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two thousand, two hundred three".