12220121200087 has 2 divisors, whose sum is σ = 12220121200088. Its totient is φ = 12220121200086.

The previous prime is 12220121200073. The next prime is 12220121200181. The reversal of 12220121200087 is 78000212102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12220121200087 - 2¹⁹ = 12220120675799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220121200057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110060600043 + 6110060600044.

It is an arithmetic number, because the mean of its divisors is an integer number (6110060600044).

Almost surely, 2^{12220121200087} is an apocalyptic number.

12220121200087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220121200087 is an equidigital number, since it uses as much as digits as its factorization.

12220121200087 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 12220121200087 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thousand, eighty-seven".