103212133109 has 2 divisors, whose sum is σ = 103212133110. Its totient is φ = 103212133108.

The previous prime is 103212133097. The next prime is 103212133111. The reversal of 103212133109 is 901331212301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85623538225 + 17588594884 = 292615^2 + 132622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103212133109 is a prime.

Together with 103212133111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103212133709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606066554 + 51606066555.

It is an arithmetic number, because the mean of its divisors is an integer number (51606066555).

Almost surely, 2^103212133109 is an apocalyptic number.

It is an amenable number.

103212133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

103212133109 is an equidigital number, since it uses as much as digits as its factorization.

103212133109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 103212133109 in words is "one hundred three billion, two hundred twelve million, one hundred thirty-three thousand, one hundred nine".