102012120012212 has 6 divisors (see below), whose sum is σ = 178521210021378. Its totient is φ = 51006060006104.

The previous prime is 102012120012193. The next prime is 102012120012259. The reversal of 102012120012212 is 212210021210201.

It can be written as a sum of positive squares in only one way, i.e., 80196251815696 + 21815868196516 = 8955236^2 + 4670746^2 .

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 as a sum of consecutive naturals, namely, 12751515001523 + ... + 12751515001530.

It is an arithmetic number, because the mean of its divisors is an integer number (29753535003563).

Almost surely, 2^{102012120012212} is an apocalyptic number.

It is an amenable number.

102012120012212 is a deficient number, since it is larger than the sum of its proper divisors (76509090009166).

102012120012212 is a wasteful number, since it uses less digits than its factorization.

102012120012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503030003057 (or 25503030003055 counting only the distinct ones).

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

Adding to 102012120012212 its reverse (212210021210201), we get a palindrome (314222141222413).

The spelling of 102012120012212 in words is "one hundred two trillion, twelve billion, one hundred twenty million, twelve thousand, two hundred twelve".