2220126212987 has 2 divisors, whose sum is σ = 2220126212988. Its totient is φ = 2220126212986.

The previous prime is 2220126212971. The next prime is 2220126213089. The reversal of 2220126212987 is 7892126210222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220126212987 - 2⁴ = 2220126212971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2220126212947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110063106493 + 1110063106494.

It is an arithmetic number, because the mean of its divisors is an integer number (1110063106494).

Almost surely, 2^{2220126212987} is an apocalyptic number.

2220126212987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220126212987 is an equidigital number, since it uses as much as digits as its factorization.

2220126212987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 2220126212987 in words is "two trillion, two hundred twenty billion, one hundred twenty-six million, two hundred twelve thousand, nine hundred eighty-seven".