2012123102 has 16 divisors (see below), whose sum is σ = 3338941824. Its totient is φ = 901719000.

The previous prime is 2012123083. The next prime is 2012123119. The reversal of 2012123102 is 2013212102.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 642524 + ... + 645647.

It is an arithmetic number, because the mean of its divisors is an integer number (208683864).

Almost surely, 2^2012123102 is an apocalyptic number.

2012123102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012123102 is a deficient number, since it is larger than the sum of its proper divisors (1326818722).

2012123102 is a wasteful number, since it uses less digits than its factorization.

2012123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288255.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2012123102 is about 44856.6951747451. The cubic root of 2012123102 is about 1262.4616154327.

Adding to 2012123102 its reverse (2013212102), we get a palindrome (4025335204).

The spelling of 2012123102 in words is "two billion, twelve million, one hundred twenty-three thousand, one hundred two".