102020012210 has 16 divisors (see below), whose sum is σ = 183641518656. Its totient is φ = 40806783408.

The previous prime is 102020012209. The next prime is 102020012239. The reversal of 102020012210 is 12210020201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102020012191 and 102020012200.

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, 248237 + ... + 515423.

It is an arithmetic number, because the mean of its divisors is an integer number (11477594916).

Almost surely, 2^102020012210 is an apocalyptic number.

102020012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020012210 is a deficient number, since it is larger than the sum of its proper divisors (81621506446).

102020012210 is a wasteful number, since it uses less digits than its factorization.

102020012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305377.

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

Adding to 102020012210 its reverse (12210020201), we get a palindrome (114230032411).

The spelling of 102020012210 in words is "one hundred two billion, twenty million, twelve thousand, two hundred ten".