102020012223 has 16 divisors (see below), whose sum is σ = 138608330976. Its totient is φ = 66722797440.

The previous prime is 102020012209. The next prime is 102020012239. The reversal of 102020012223 is 322210020201.

It is a happy number.

It is not a de Polignac number, because 102020012223 - 2²² = 102015817919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020012243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1697361 + ... + 1756437.

It is an arithmetic number, because the mean of its divisors is an integer number (8663020686).

Almost surely, 2^102020012223 is an apocalyptic number.

102020012223 is a deficient number, since it is larger than the sum of its proper divisors (36588318753).

102020012223 is a wasteful number, since it uses less digits than its factorization.

102020012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69994.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 102020012223 its reverse (322210020201), we get a palindrome (424230032424).

The spelling of 102020012223 in words is "one hundred two billion, twenty million, twelve thousand, two hundred twenty-three".