1312203467 has 2 divisors, whose sum is σ = 1312203468. Its totient is φ = 1312203466.

The previous prime is 1312203419. The next prime is 1312203493. The reversal of 1312203467 is 7643022131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312203467 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312202467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656101733 + 656101734.

It is an arithmetic number, because the mean of its divisors is an integer number (656101734).

Almost surely, 2^1312203467 is an apocalyptic number.

1312203467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312203467 is an equidigital number, since it uses as much as digits as its factorization.

1312203467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1312203467 is about 36224.3490900803. The cubic root of 1312203467 is about 1094.7973233996.

Adding to 1312203467 its reverse (7643022131), we get a palindrome (8955225598).

The spelling of 1312203467 in words is "one billion, three hundred twelve million, two hundred three thousand, four hundred sixty-seven".