102120202212 has 48 divisors (see below), whose sum is σ = 272346826752. Its totient is φ = 29174384160.

The previous prime is 102120202187. The next prime is 102120202213. The reversal of 102120202212 is 212202021201.

It is a junction number, because it is equal to n+sod(n) for n = 102120202191 and 102120202200.

It is not an unprimeable number, because it can be changed into a prime (102120202213) 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, 911637 + ... + 1017507.

It is an arithmetic number, because the mean of its divisors is an integer number (5673892224).

Almost surely, 2^102120202212 is an apocalyptic number.

102120202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102120202212 is an abundant number, since it is smaller than the sum of its proper divisors (170226624540).

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

102120202212 is a wasteful number, since it uses less digits than its factorization.

102120202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117368 (or 117366 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102120202212 its reverse (212202021201), we get a palindrome (314322223413).

The spelling of 102120202212 in words is "one hundred two billion, one hundred twenty million, two hundred two thousand, two hundred twelve".