12101021001203 has 2 divisors, whose sum is σ = 12101021001204. Its totient is φ = 12101021001202.

The previous prime is 12101021001191. The next prime is 12101021001257. The reversal of 12101021001203 is 30210012010121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101021001203 - 2⁸ = 12101021000947 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101021000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050510500601 + 6050510500602.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510500602).

Almost surely, 2^{12101021001203} is an apocalyptic number.

12101021001203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101021001203 is an equidigital number, since it uses as much as digits as its factorization.

12101021001203 is an evil number, because the sum of its binary digits is even.

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

Adding to 12101021001203 its reverse (30210012010121), we get a palindrome (42311033011324).

The spelling of 12101021001203 in words is "twelve trillion, one hundred one billion, twenty-one million, one thousand, two hundred three".