102020020101212 has 24 divisors (see below), whose sum is σ = 184695828108960. Its totient is φ = 49249867544640.

The previous prime is 102020020101169. The next prime is 102020020101247. The reversal of 102020020101212 is 212101020020201.

It is a congruent number.

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, 5619608 + ... + 15349919.

It is an arithmetic number, because the mean of its divisors is an integer number (7695659504540).

Almost surely, 2^{102020020101212} is an apocalyptic number.

It is an amenable number.

102020020101212 is a deficient number, since it is larger than the sum of its proper divisors (82675808007748).

102020020101212 is a wasteful number, since it uses less digits than its factorization.

102020020101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011501 (or 21011499 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102020020101212 its reverse (212101020020201), we get a palindrome (314121040121413).

The spelling of 102020020101212 in words is "one hundred two trillion, twenty billion, twenty million, one hundred one thousand, two hundred twelve".