103013123212 has 24 divisors (see below), whose sum is σ = 188288061696. Its totient is φ = 49220751888.

The previous prime is 103013123209. The next prime is 103013123221. The reversal of 103013123212 is 212321310301.

It is a super-2 number, since 2×103013123212² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103013123212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428878 + ... + 624469.

It is an arithmetic number, because the mean of its divisors is an integer number (7845335904).

Almost surely, 2^103013123212 is an apocalyptic number.

It is an amenable number.

103013123212 is a deficient number, since it is larger than the sum of its proper divisors (85274938484).

103013123212 is a wasteful number, since it uses less digits than its factorization.

103013123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054437 (or 1054435 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103013123212 its reverse (212321310301), we get a palindrome (315334433513).

The spelling of 103013123212 in words is "one hundred three billion, thirteen million, one hundred twenty-three thousand, two hundred twelve".