103144235412 has 12 divisors (see below), whose sum is σ = 240669882656. Its totient is φ = 34381411800.

The previous prime is 103144235399. The next prime is 103144235581. The reversal of 103144235412 is 214532441301.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 103144235412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4297676464 + ... + 4297676487.

Almost surely, 2^103144235412 is an apocalyptic number.

103144235412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103144235412 is an abundant number, since it is smaller than the sum of its proper divisors (137525647244).

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

103144235412 is a wasteful number, since it uses less digits than its factorization.

103144235412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595352958 (or 8595352956 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 103144235412 its reverse (214532441301), we get a palindrome (317676676713).

The spelling of 103144235412 in words is "one hundred three billion, one hundred forty-four million, two hundred thirty-five thousand, four hundred twelve".