103011212 has 6 divisors (see below), whose sum is σ = 180269628. Its totient is φ = 51505604.

The previous prime is 103011203. The next prime is 103011221. The reversal of 103011212 is 212110301.

It is an interprime number because it is at equal distance from previous prime (103011203) and next prime (103011221).

It is a super-2 number, since 2×103011212² = 21222619595417888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103011193 and 103011202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876398 + ... + 12876405.

It is an arithmetic number, because the mean of its divisors is an integer number (30044938).

Almost surely, 2^103011212 is an apocalyptic number.

It is an amenable number.

103011212 is a deficient number, since it is larger than the sum of its proper divisors (77258416).

103011212 is a wasteful number, since it uses less digits than its factorization.

103011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25752807 (or 25752805 counting only the distinct ones).

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

The square root of 103011212 is about 10149.4439256543. The cubic root of 103011212 is about 468.7718228181.

Adding to 103011212 its reverse (212110301), we get a palindrome (315121513).

The spelling of 103011212 in words is "one hundred three million, eleven thousand, two hundred twelve".