1213310212687 has 2 divisors, whose sum is σ = 1213310212688. Its totient is φ = 1213310212686.

The previous prime is 1213310212679. The next prime is 1213310212747. The reversal of 1213310212687 is 7862120133121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213310212687 - 2³ = 1213310212679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213310212607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606655106343 + 606655106344.

It is an arithmetic number, because the mean of its divisors is an integer number (606655106344).

Almost surely, 2^{1213310212687} is an apocalyptic number.

1213310212687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213310212687 is an equidigital number, since it uses as much as digits as its factorization.

1213310212687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 1213310212687 in words is "one trillion, two hundred thirteen billion, three hundred ten million, two hundred twelve thousand, six hundred eighty-seven".