1212123303223 has 8 divisors (see below), whose sum is σ = 1385290732320. Its totient is φ = 1038957613440.

The previous prime is 1212123303221. The next prime is 1212123303263. The reversal of 1212123303223 is 3223033212121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212123303223 - 2¹ = 1212123303221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212123303221) 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, 1880283 + ... + 2441251.

It is an arithmetic number, because the mean of its divisors is an integer number (173161341540).

Almost surely, 2^{1212123303223} is an apocalyptic number.

1212123303223 is a deficient number, since it is larger than the sum of its proper divisors (173167429097).

1212123303223 is an equidigital number, since it uses as much as digits as its factorization.

1212123303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869657.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1212123303223 its reverse (3223033212121), we get a palindrome (4435156515344).

The spelling of 1212123303223 in words is "one trillion, two hundred twelve billion, one hundred twenty-three million, three hundred three thousand, two hundred twenty-three".