103740712012 has 72 divisors (see below), whose sum is σ = 217276637424. Its totient is φ = 43196364288.

The previous prime is 103740711983. The next prime is 103740712021. The reversal of 103740712012 is 210217047301.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904528 + ... + 1012744.

Almost surely, 2^103740712012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103740712012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108638318712).

103740712012 is an abundant number, since it is smaller than the sum of its proper divisors (113535925412).

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

103740712012 is a wasteful number, since it uses less digits than its factorization.

103740712012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108375 (or 108366 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 103740712012 its reverse (210217047301), we get a palindrome (313957759313).

The spelling of 103740712012 in words is "one hundred three billion, seven hundred forty million, seven hundred twelve thousand, twelve".