102012122220102 has 12 divisors (see below), whose sum is σ = 221026264810260. Its totient is φ = 34004040740028.

The previous prime is 102012122220049. The next prime is 102012122220137. The reversal of 102012122220102 is 201022221210201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5667340123339 = 102012122220102 / (1 + 0 + 2 + 0 + 1 + 2 + 1 + 2 + 2 + 2 + 2 + 0 + 1 + 0 + 2).

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 5 ways as a sum of consecutive naturals, for example, 2833670061652 + ... + 2833670061687.

It is an arithmetic number, because the mean of its divisors is an integer number (18418855400855).

Almost surely, 2^{102012122220102} is an apocalyptic number.

102012122220102 is an abundant number, since it is smaller than the sum of its proper divisors (119014142590158).

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

102012122220102 is a wasteful number, since it uses less digits than its factorization.

102012122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667340123347 (or 5667340123344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102012122220102 its reverse (201022221210201), we get a palindrome (303034343430303).

The spelling of 102012122220102 in words is "one hundred two trillion, twelve billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".