1212210022203 has 8 divisors (see below), whose sum is σ = 1795866699600. Its totient is φ = 808140014784.

The previous prime is 1212210022201. The next prime is 1212210022211. The reversal of 1212210022203 is 3022200122121.

It is not a de Polignac number, because 1212210022203 - 2¹ = 1212210022201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212210022201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22448333718 + ... + 22448333771.

It is an arithmetic number, because the mean of its divisors is an integer number (224483337450).

Almost surely, 2^{1212210022203} is an apocalyptic number.

1212210022203 is a deficient number, since it is larger than the sum of its proper divisors (583656677397).

1212210022203 is an equidigital number, since it uses as much as digits as its factorization.

1212210022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44896667498 (or 44896667492 counting only the distinct ones).

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

Adding to 1212210022203 its reverse (3022200122121), we get a palindrome (4234410144324).

The spelling of 1212210022203 in words is "one trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, two hundred three".