1212001210103 has 2 divisors, whose sum is σ = 1212001210104. Its totient is φ = 1212001210102.

The previous prime is 1212001210067. The next prime is 1212001210111. The reversal of 1212001210103 is 3010121002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212001210103 - 2¹⁰ = 1212001209079 is a prime.

It is a super-2 number, since 2×1212001210103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212001210003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606000605051 + 606000605052.

It is an arithmetic number, because the mean of its divisors is an integer number (606000605052).

Almost surely, 2^{1212001210103} is an apocalyptic number.

1212001210103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212001210103 is an equidigital number, since it uses as much as digits as its factorization.

1212001210103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1212001210103 its reverse (3010121002121), we get a palindrome (4222122212224).

The spelling of 1212001210103 in words is "one trillion, two hundred twelve billion, one million, two hundred ten thousand, one hundred three".