1212131003 has 2 divisors, whose sum is σ = 1212131004. Its totient is φ = 1212131002.

The previous prime is 1212130979. The next prime is 1212131017. The reversal of 1212131003 is 3001312121.

It is an a-pointer prime, because the next prime (1212131017) can be obtained adding 1212131003 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212131003 - 2²⁶ = 1145022139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1212131023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606065501 + 606065502.

It is an arithmetic number, because the mean of its divisors is an integer number (606065502).

Almost surely, 2^1212131003 is an apocalyptic number.

1212131003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212131003 is an equidigital number, since it uses as much as digits as its factorization.

1212131003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1212131003 is about 34815.6718016470. The cubic root of 1212131003 is about 1066.2274350545.

Adding to 1212131003 its reverse (3001312121), we get a palindrome (4213443124).

The spelling of 1212131003 in words is "one billion, two hundred twelve million, one hundred thirty-one thousand, three".