102123331333212 has 96 divisors (see below), whose sum is σ = 275196980531200. Its totient is φ = 28870931036160.

The previous prime is 102123331333103. The next prime is 102123331333213. The reversal of 102123331333212 is 212333133321201.

It is a self number, because there is not a number n which added to its sum of digits gives 102123331333212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123331333213) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 35687637 + ... + 38442867.

Almost surely, 2^{102123331333212} is an apocalyptic number.

102123331333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102123331333212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137598490265600).

102123331333212 is an abundant number, since it is smaller than the sum of its proper divisors (173073649197988).

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

102123331333212 is a wasteful number, since it uses less digits than its factorization.

102123331333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759891 (or 2759889 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 102123331333212 its reverse (212333133321201), we get a palindrome (314456464654413).

The spelling of 102123331333212 in words is "one hundred two trillion, one hundred twenty-three billion, three hundred thirty-one million, three hundred thirty-three thousand, two hundred twelve".