103111030212 has 12 divisors (see below), whose sum is σ = 240592403856. Its totient is φ = 34370343400.

The previous prime is 103111030207. The next prime is 103111030219. The reversal of 103111030212 is 212030111301.

It is a happy number.

103111030212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 103111030191 and 103111030200.

It is not an unprimeable number, because it can be changed into a prime (103111030219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4296292914 + ... + 4296292937.

It is an arithmetic number, because the mean of its divisors is an integer number (20049366988).

Almost surely, 2^103111030212 is an apocalyptic number.

103111030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103111030212 is an abundant number, since it is smaller than the sum of its proper divisors (137481373644).

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

103111030212 is a wasteful number, since it uses less digits than its factorization.

103111030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592585858 (or 8592585856 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103111030212 its reverse (212030111301), we get a palindrome (315141141513).

The spelling of 103111030212 in words is "one hundred three billion, one hundred eleven million, thirty thousand, two hundred twelve".