103211133212 has 48 divisors (see below), whose sum is σ = 198938070240. Its totient is φ = 46850348160.

The previous prime is 103211133209. The next prime is 103211133217. The reversal of 103211133212 is 212331112301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103211133217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4017464 + ... + 4043072.

It is an arithmetic number, because the mean of its divisors is an integer number (4144543130).

Almost surely, 2^103211133212 is an apocalyptic number.

It is an amenable number.

103211133212 is a deficient number, since it is larger than the sum of its proper divisors (95726937028).

103211133212 is a wasteful number, since it uses less digits than its factorization.

103211133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26403 (or 26379 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 103211133212 its reverse (212331112301), we get a palindrome (315542245513).

The spelling of 103211133212 in words is "one hundred three billion, two hundred eleven million, one hundred thirty-three thousand, two hundred twelve".