1212102211087 has 2 divisors, whose sum is σ = 1212102211088. Its totient is φ = 1212102211086.

The previous prime is 1212102211081. The next prime is 1212102211127. The reversal of 1212102211087 is 7801122012121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212102211087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212102211081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606051105543 + 606051105544.

It is an arithmetic number, because the mean of its divisors is an integer number (606051105544).

Almost surely, 2^{1212102211087} is an apocalyptic number.

1212102211087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212102211087 is an equidigital number, since it uses as much as digits as its factorization.

1212102211087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 1212102211087 in words is "one trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, eighty-seven".