103212103013 has 2 divisors, whose sum is σ = 103212103014. Its totient is φ = 103212103012.

The previous prime is 103212102971. The next prime is 103212103087. The reversal of 103212103013 is 310301212301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102933813889 + 278289124 = 320833^2 + 16682^2 .

It is a cyclic number.

It is not a de Polignac number, because 103212103013 - 2¹⁴ = 103212086629 is a prime.

It is a super-2 number, since 2×103212103013² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103212102982 and 103212103000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103212103513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51606051506 + 51606051507.

It is an arithmetic number, because the mean of its divisors is an integer number (51606051507).

Almost surely, 2^103212103013 is an apocalyptic number.

It is an amenable number.

103212103013 is a deficient number, since it is larger than the sum of its proper divisors (1).

103212103013 is an equidigital number, since it uses as much as digits as its factorization.

103212103013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103212103013 its reverse (310301212301), we get a palindrome (413513315314).

The spelling of 103212103013 in words is "one hundred three billion, two hundred twelve million, one hundred three thousand, thirteen".