102020012012223 has 48 divisors (see below), whose sum is σ = 149344463473920. Its totient is φ = 67103775510912.

The previous prime is 102020012012203. The next prime is 102020012012249. The reversal of 102020012012223 is 322210210020201.

It is a de Polignac number, because none of the positive numbers 2^k-102020012012223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102020012012196 and 102020012012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102020012012203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 995042640 + ... + 995145162.

It is an arithmetic number, because the mean of its divisors is an integer number (3111342989040).

Almost surely, 2^{102020012012223} is an apocalyptic number.

102020012012223 is a deficient number, since it is larger than the sum of its proper divisors (47324451461697).

102020012012223 is a wasteful number, since it uses less digits than its factorization.

102020012012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106828 (or 106825 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102020012012223 its reverse (322210210020201), we get a palindrome (424230222032424).

The spelling of 102020012012223 in words is "one hundred two trillion, twenty billion, twelve million, twelve thousand, two hundred twenty-three".