103212311103012 has 24 divisors (see below), whose sum is σ = 242270814090816. Its totient is φ = 34198091103328.

The previous prime is 103212311102977. The next prime is 103212311103149. The reversal of 103212311103012 is 210301113212301.

It is a self number, because there is not a number n which added to its sum of digits gives 103212311103012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25751572623 + ... + 25751576630.

It is an arithmetic number, because the mean of its divisors is an integer number (10094617253784).

Almost surely, 2^{103212311103012} is an apocalyptic number.

103212311103012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103212311103012 is an abundant number, since it is smaller than the sum of its proper divisors (139058502987804).

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

103212311103012 is a wasteful number, since it uses less digits than its factorization.

103212311103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51503149427 (or 51503149425 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 103212311103012 its reverse (210301113212301), we get a palindrome (313513424315313).

The spelling of 103212311103012 in words is "one hundred three trillion, two hundred twelve billion, three hundred eleven million, one hundred three thousand, twelve".