1212003210323 has 2 divisors, whose sum is σ = 1212003210324. Its totient is φ = 1212003210322.

The previous prime is 1212003210289. The next prime is 1212003210361. The reversal of 1212003210323 is 3230123002121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212003210323 - 2⁶ = 1212003210259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212003210295 and 1212003210304.

It is not a weakly prime, because it can be changed into another prime (1212003240323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606001605161 + 606001605162.

It is an arithmetic number, because the mean of its divisors is an integer number (606001605162).

Almost surely, 2^{1212003210323} is an apocalyptic number.

1212003210323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212003210323 is an equidigital number, since it uses as much as digits as its factorization.

1212003210323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1212003210323 its reverse (3230123002121), we get a palindrome (4442126212444).

The spelling of 1212003210323 in words is "one trillion, two hundred twelve billion, three million, two hundred ten thousand, three hundred twenty-three".