1212210202003 has 4 divisors (see below), whose sum is σ = 1212215599728. Its totient is φ = 1212204804280.

The previous prime is 1212210202001. The next prime is 1212210202009. The reversal of 1212210202003 is 3002020122121.

It is a happy number.

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 1212210202003 - 2¹ = 1212210202001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212210202001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346676 + ... + 2816257.

It is an arithmetic number, because the mean of its divisors is an integer number (303053899932).

Almost surely, 2^{1212210202003} is an apocalyptic number.

1212210202003 is a deficient number, since it is larger than the sum of its proper divisors (5397725).

1212210202003 is an equidigital number, since it uses as much as digits as its factorization.

1212210202003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397724.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1212210202003 its reverse (3002020122121), we get a palindrome (4214230324124).

The spelling of 1212210202003 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, three".