1212011011303 has 2 divisors, whose sum is σ = 1212011011304. Its totient is φ = 1212011011302.

The previous prime is 1212011011271. The next prime is 1212011011319. The reversal of 1212011011303 is 3031101102121.

It is a happy number.

It is an a-pointer prime, because the next prime (1212011011319) can be obtained adding 1212011011303 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212011011303 - 2⁵ = 1212011011271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212011011903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606005505651 + 606005505652.

It is an arithmetic number, because the mean of its divisors is an integer number (606005505652).

Almost surely, 2^{1212011011303} is an apocalyptic number.

1212011011303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212011011303 is an equidigital number, since it uses as much as digits as its factorization.

1212011011303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1212011011303 its reverse (3031101102121), we get a palindrome (4243112113424).

The spelling of 1212011011303 in words is "one trillion, two hundred twelve billion, eleven million, eleven thousand, three hundred three".