102212001020 has 24 divisors (see below), whose sum is σ = 216614428800. Its totient is φ = 40509709632.

The previous prime is 102212001007. The next prime is 102212001041. The reversal of 102212001020 is 20100212201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102212000992 and 102212001010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23440940 + ... + 23445299.

It is an arithmetic number, because the mean of its divisors is an integer number (9025601200).

Almost surely, 2^102212001020 is an apocalyptic number.

102212001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212001020 is an abundant number, since it is smaller than the sum of its proper divisors (114402427780).

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

102212001020 is a wasteful number, since it uses less digits than its factorization.

102212001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46886357 (or 46886355 counting only the distinct ones).

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

Adding to 102212001020 its reverse (20100212201), we get a palindrome (122312213221).

The spelling of 102212001020 in words is "one hundred two billion, two hundred twelve million, one thousand, twenty".