1213412542567 has 2 divisors, whose sum is σ = 1213412542568. Its totient is φ = 1213412542566.

The previous prime is 1213412542481. The next prime is 1213412542597. The reversal of 1213412542567 is 7652452143121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213412542567 - 2³¹ = 1211265058919 is a prime.

It is a super-4 number, since 4×1213412542567⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213412542597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606706271283 + 606706271284.

It is an arithmetic number, because the mean of its divisors is an integer number (606706271284).

Almost surely, 2^{1213412542567} is an apocalyptic number.

1213412542567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213412542567 is an equidigital number, since it uses as much as digits as its factorization.

1213412542567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

Adding to 1213412542567 its reverse (7652452143121), we get a palindrome (8865864685688).

The spelling of 1213412542567 in words is "one trillion, two hundred thirteen billion, four hundred twelve million, five hundred forty-two thousand, five hundred sixty-seven".