16123243412 has 12 divisors (see below), whose sum is σ = 28273617120. Its totient is φ = 8045067096.

The previous prime is 16123243393. The next prime is 16123243427. The reversal of 16123243412 is 21434232161.

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, 4136462 + ... + 4140357.

It is an arithmetic number, because the mean of its divisors is an integer number (2356134760).

Almost surely, 2^16123243412 is an apocalyptic number.

It is an amenable number.

16123243412 is a deficient number, since it is larger than the sum of its proper divisors (12150373708).

16123243412 is a wasteful number, since it uses less digits than its factorization.

16123243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8277310 (or 8277308 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 16123243412 its reverse (21434232161), we get a palindrome (37557475573).

The spelling of 16123243412 in words is "sixteen billion, one hundred twenty-three million, two hundred forty-three thousand, four hundred twelve".