1212132102203 has 4 divisors (see below), whose sum is σ = 1322325929688. Its totient is φ = 1101938274720.

The previous prime is 1212132102197. The next prime is 1212132102253. The reversal of 1212132102203 is 3022012312121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212132102203 - 2¹⁴ = 1212132085819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212132102253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55096913726 + ... + 55096913747.

It is an arithmetic number, because the mean of its divisors is an integer number (330581482422).

Almost surely, 2^{1212132102203} is an apocalyptic number.

1212132102203 is a deficient number, since it is larger than the sum of its proper divisors (110193827485).

1212132102203 is a wasteful number, since it uses less digits than its factorization.

1212132102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110193827484.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1212132102203 its reverse (3022012312121), we get a palindrome (4234144414324).

The spelling of 1212132102203 in words is "one trillion, two hundred twelve billion, one hundred thirty-two million, one hundred two thousand, two hundred three".