102212109475823 has 2 divisors, whose sum is σ = 102212109475824. Its totient is φ = 102212109475822.

The previous prime is 102212109475811. The next prime is 102212109475867. The reversal of 102212109475823 is 328574901212201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102212109475823 - 2¹⁸ = 102212109213679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212159475823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106054737911 + 51106054737912.

It is an arithmetic number, because the mean of its divisors is an integer number (51106054737912).

Almost surely, 2^{102212109475823} is an apocalyptic number.

102212109475823 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212109475823 is an equidigital number, since it uses as much as digits as its factorization.

102212109475823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 102212109475823 in words is "one hundred two trillion, two hundred twelve billion, one hundred nine million, four hundred seventy-five thousand, eight hundred twenty-three".