102212010020 has 24 divisors (see below), whose sum is σ = 215134180800. Its totient is φ = 40791668832.

The previous prime is 102212010013. The next prime is 102212010031. The reversal of 102212010020 is 20010212201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102212009983 and 102212010010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811950 + ... + 5829509.

It is an arithmetic number, because the mean of its divisors is an integer number (8963924200).

Almost surely, 2^102212010020 is an apocalyptic number.

102212010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212010020 is an abundant number, since it is smaller than the sum of its proper divisors (112922170780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212010020 is a wasteful number, since it uses less digits than its factorization.

102212010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641907 (or 11641905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102212010020 its reverse (20010212201), we get a palindrome (122222222221).

The spelling of 102212010020 in words is "one hundred two billion, two hundred twelve million, ten thousand, twenty".