103011212112 has 40 divisors (see below), whose sum is σ = 272300961504. Its totient is φ = 33538533504.

The previous prime is 103011212107. The next prime is 103011212113. The reversal of 103011212112 is 211212110301.

It is a super-2 number, since 2×103011212112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103011212091 and 103011212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103011212113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24952203 + ... + 24956330.

Almost surely, 2^103011212112 is an apocalyptic number.

103011212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103011212112 is an abundant number, since it is smaller than the sum of its proper divisors (169289749392).

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

103011212112 is a wasteful number, since it uses less digits than its factorization.

103011212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49908587 (or 49908581 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 103011212112 its reverse (211212110301), we get a palindrome (314223322413).

The spelling of 103011212112 in words is "one hundred three billion, eleven million, two hundred twelve thousand, one hundred twelve".