1212222222003 has 8 divisors (see below), whose sum is σ = 1740626780368. Its totient is φ = 745982905824.

The previous prime is 1212222221983. The next prime is 1212222222007. The reversal of 1212222222003 is 3002222222121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212222222003 - 2⁶ = 1212222221939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212222222007) 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, 15541310500 + ... + 15541310577.

It is an arithmetic number, because the mean of its divisors is an integer number (217578347546).

Almost surely, 2^{1212222222003} is an apocalyptic number.

1212222222003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1212222222003 is a deficient number, since it is larger than the sum of its proper divisors (528404558365).

1212222222003 is a wasteful number, since it uses less digits than its factorization.

1212222222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31082621093.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1212222222003 its reverse (3002222222121), we get a palindrome (4214444444124).

The spelling of 1212222222003 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, three".