1212012002203 has 16 divisors (see below), whose sum is σ = 1306541396160. Its totient is φ = 1120249460736.

The previous prime is 1212012002177. The next prime is 1212012002213. The reversal of 1212012002203 is 3022002102121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1212012002203 - 2⁵ = 1212012002171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212012002213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684775 + ... + 3103552.

It is an arithmetic number, because the mean of its divisors is an integer number (81658837260).

Almost surely, 2^{1212012002203} is an apocalyptic number.

1212012002203 is a deficient number, since it is larger than the sum of its proper divisors (94529393957).

1212012002203 is a wasteful number, since it uses less digits than its factorization.

1212012002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5788566.

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

Adding to 1212012002203 its reverse (3022002102121), we get a palindrome (4234014104324).

The spelling of 1212012002203 in words is "one trillion, two hundred twelve billion, twelve million, two thousand, two hundred three".