10212020112187 has 2 divisors, whose sum is σ = 10212020112188. Its totient is φ = 10212020112186.

The previous prime is 10212020112169. The next prime is 10212020112209. The reversal of 10212020112187 is 78121102021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10212020112187 - 2¹¹ = 10212020110139 is a prime.

It is not a weakly prime, because it can be changed into another prime (10212020113187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106010056093 + 5106010056094.

It is an arithmetic number, because the mean of its divisors is an integer number (5106010056094).

Almost surely, 2^{10212020112187} is an apocalyptic number.

10212020112187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212020112187 is an equidigital number, since it uses as much as digits as its factorization.

10212020112187 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 28.

Adding to 10212020112187 its reverse (78121102021201), we get a palindrome (88333122133388).

The spelling of 10212020112187 in words is "ten trillion, two hundred twelve billion, twenty million, one hundred twelve thousand, one hundred eighty-seven".