121233103203013 has 2 divisors, whose sum is σ = 121233103203014. Its totient is φ = 121233103203012.

The previous prime is 121233103202983. The next prime is 121233103203097. The reversal of 121233103203013 is 310302301332121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68176694858724 + 53056408344289 = 8256918^2 + 7283983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121233103203013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121233103203713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616551601506 + 60616551601507.

It is an arithmetic number, because the mean of its divisors is an integer number (60616551601507).

Almost surely, 2^{121233103203013} is an apocalyptic number.

It is an amenable number.

121233103203013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233103203013 is an equidigital number, since it uses as much as digits as its factorization.

121233103203013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121233103203013 its reverse (310302301332121), we get a palindrome (431535404535134).

The spelling of 121233103203013 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, one hundred three million, two hundred three thousand, thirteen".