20212001012087 has 2 divisors, whose sum is σ = 20212001012088. Its totient is φ = 20212001012086.

The previous prime is 20212001012023. The next prime is 20212001012131. The reversal of 20212001012087 is 78021010021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20212001012087 - 2⁶ = 20212001012023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212003012087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106000506043 + 10106000506044.

It is an arithmetic number, because the mean of its divisors is an integer number (10106000506044).

Almost surely, 2^{20212001012087} is an apocalyptic number.

20212001012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212001012087 is an equidigital number, since it uses as much as digits as its factorization.

20212001012087 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 26.

Adding to 20212001012087 its reverse (78021010021202), we get a palindrome (98233011033289).

The spelling of 20212001012087 in words is "twenty trillion, two hundred twelve billion, one million, twelve thousand, eighty-seven".