103113212312 has 64 divisors (see below), whose sum is σ = 226031904000. Its totient is φ = 43620128640.

The previous prime is 103113212281. The next prime is 103113212327. The reversal of 103113212312 is 213212311301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613562 + ... + 763337.

It is an arithmetic number, because the mean of its divisors is an integer number (3531748500).

Almost surely, 2^103113212312 is an apocalyptic number.

It is an amenable number.

103113212312 is an abundant number, since it is smaller than the sum of its proper divisors (122918691688).

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

103113212312 is a wasteful number, since it uses less digits than its factorization.

103113212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376976 (or 1376972 counting only the distinct ones).

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

Adding to 103113212312 its reverse (213212311301), we get a palindrome (316325523613).

The spelling of 103113212312 in words is "one hundred three billion, one hundred thirteen million, two hundred twelve thousand, three hundred twelve".