102012102212051 has 2 divisors, whose sum is σ = 102012102212052. Its totient is φ = 102012102212050.

The previous prime is 102012102212047. The next prime is 102012102212117. The reversal of 102012102212051 is 150212201210201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102012102212051 - 2² = 102012102212047 is a prime.

It is not a weakly prime, because it can be changed into another prime (102012102212351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006051106025 + 51006051106026.

It is an arithmetic number, because the mean of its divisors is an integer number (51006051106026).

Almost surely, 2^{102012102212051} is an apocalyptic number.

102012102212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012102212051 is an equidigital number, since it uses as much as digits as its factorization.

102012102212051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 102012102212051 its reverse (150212201210201), we get a palindrome (252224303422252).

The spelling of 102012102212051 in words is "one hundred two trillion, twelve billion, one hundred two million, two hundred twelve thousand, fifty-one".