1201212102403 has 2 divisors, whose sum is σ = 1201212102404. Its totient is φ = 1201212102402.

The previous prime is 1201212102383. The next prime is 1201212102413. The reversal of 1201212102403 is 3042012121021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201212102403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201212102413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600606051201 + 600606051202.

It is an arithmetic number, because the mean of its divisors is an integer number (600606051202).

Almost surely, 2^{1201212102403} is an apocalyptic number.

1201212102403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201212102403 is an equidigital number, since it uses as much as digits as its factorization.

1201212102403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1201212102403 its reverse (3042012121021), we get a palindrome (4243224223424).

The spelling of 1201212102403 in words is "one trillion, two hundred one billion, two hundred twelve million, one hundred two thousand, four hundred three".