102012102212210 has 64 divisors (see below), whose sum is σ = 185152470537600. Its totient is φ = 40465605035520.

The previous prime is 102012102212143. The next prime is 102012102212239. The reversal of 102012102212210 is 12212201210201.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4430096717 + ... + 4430119743.

It is an arithmetic number, because the mean of its divisors is an integer number (2893007352150).

Almost surely, 2^{102012102212210} is an apocalyptic number.

102012102212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012102212210 is a deficient number, since it is larger than the sum of its proper divisors (83140368325390).

102012102212210 is a wasteful number, since it uses less digits than its factorization.

102012102212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27851.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102012102212210 its reverse (12212201210201), we get a palindrome (114224303422411).

The spelling of 102012102212210 in words is "one hundred two trillion, twelve billion, one hundred two million, two hundred twelve thousand, two hundred ten".