1242300302213 has 2 divisors, whose sum is σ = 1242300302214. Its totient is φ = 1242300302212.

The previous prime is 1242300302209. The next prime is 1242300302231. The reversal of 1242300302213 is 3122030032421.

Together with next prime (1242300302231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199601039169 + 42699263044 = 1095263^2 + 206638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1242300302213 - 2² = 1242300302209 is a prime.

It is a super-2 number, since 2×1242300302213² (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 (1242300302263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621150151106 + 621150151107.

It is an arithmetic number, because the mean of its divisors is an integer number (621150151107).

Almost surely, 2^{1242300302213} is an apocalyptic number.

It is an amenable number.

1242300302213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242300302213 is an equidigital number, since it uses as much as digits as its factorization.

1242300302213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1242300302213 its reverse (3122030032421), we get a palindrome (4364330334634).

The spelling of 1242300302213 in words is "one trillion, two hundred forty-two billion, three hundred million, three hundred two thousand, two hundred thirteen".