103212011 has 8 divisors (see below), whose sum is σ = 118886400. Its totient is φ = 87770088.

The previous prime is 103211963. The next prime is 103212019. The reversal of 103212011 is 110212301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-103212011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103211983 and 103212001.

It is not an unprimeable number, because it can be changed into a prime (103212019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57161 + ... + 58938.

It is an arithmetic number, because the mean of its divisors is an integer number (14860800).

Almost surely, 2^103212011 is an apocalyptic number.

103212011 is a deficient number, since it is larger than the sum of its proper divisors (15674389).

103212011 is a wasteful number, since it uses less digits than its factorization.

103212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116233.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103212011 is about 10159.3312279894. The cubic root of 103212011 is about 469.0762162783.

Adding to 103212011 its reverse (110212301), we get a palindrome (213424312).

The spelling of 103212011 in words is "one hundred three million, two hundred twelve thousand, eleven".