1212210202087 has 2 divisors, whose sum is σ = 1212210202088. Its totient is φ = 1212210202086.

The previous prime is 1212210202051. The next prime is 1212210202127. The reversal of 1212210202087 is 7802020122121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1212210202087 - 2¹¹ = 1212210200039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212210202387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606105101043 + 606105101044.

It is an arithmetic number, because the mean of its divisors is an integer number (606105101044).

Almost surely, 2^{1212210202087} is an apocalyptic number.

1212210202087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212210202087 is an equidigital number, since it uses as much as digits as its factorization.

1212210202087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 1212210202087 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred two thousand, eighty-seven".