1212232003 has 2 divisors, whose sum is σ = 1212232004. Its totient is φ = 1212232002.

The previous prime is 1212232001. The next prime is 1212232009. The reversal of 1212232003 is 3002322121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212232003 - 2¹ = 1212232001 is a prime.

Together with 1212232001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1212232001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606116001 + 606116002.

It is an arithmetic number, because the mean of its divisors is an integer number (606116002).

Almost surely, 2^1212232003 is an apocalyptic number.

1212232003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212232003 is an equidigital number, since it uses as much as digits as its factorization.

1212232003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1212232003 is about 34817.1222676430. The cubic root of 1212232003 is about 1066.2570484598.

Adding to 1212232003 its reverse (3002322121), we get a palindrome (4214554124).

The spelling of 1212232003 in words is "one billion, two hundred twelve million, two hundred thirty-two thousand, three".