20120210012087 has 2 divisors, whose sum is σ = 20120210012088. Its totient is φ = 20120210012086.

The previous prime is 20120210012059. The next prime is 20120210012099. The reversal of 20120210012087 is 78021001202102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120210012087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120210012017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060105006043 + 10060105006044.

It is an arithmetic number, because the mean of its divisors is an integer number (10060105006044).

Almost surely, 2^{20120210012087} is an apocalyptic number.

20120210012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120210012087 is an equidigital number, since it uses as much as digits as its factorization.

20120210012087 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 20120210012087 its reverse (78021001202102), we get a palindrome (98141211214189).

The spelling of 20120210012087 in words is "twenty trillion, one hundred twenty billion, two hundred ten million, twelve thousand, eighty-seven".