103212012223012 has 72 divisors (see below), whose sum is σ = 229549664147328. Its totient is φ = 40153073688000.

The previous prime is 103212012223003. The next prime is 103212012223049. The reversal of 103212012223012 is 210322210212301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33896364 + ... + 36815587.

It is an arithmetic number, because the mean of its divisors is an integer number (3188189779824).

Almost surely, 2^{103212012223012} is an apocalyptic number.

It is an amenable number.

103212012223012 is an abundant number, since it is smaller than the sum of its proper divisors (126337651924316).

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

103212012223012 is a wasteful number, since it uses less digits than its factorization.

103212012223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70712657 (or 70712648 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 103212012223012 its reverse (210322210212301), we get a palindrome (313534222435313).

The spelling of 103212012223012 in words is "one hundred three trillion, two hundred twelve billion, twelve million, two hundred twenty-three thousand, twelve".