12242143936 has 56 divisors (see below), whose sum is σ = 26538448320. Its totient is φ = 5556844800.

The previous prime is 12242143933. The next prime is 12242143937. The reversal of 12242143936 is 63934124221.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12242143895 and 12242143904.

It is not an unprimeable number, because it can be changed into a prime (12242143933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508491 + ... + 532021.

Almost surely, 2^12242143936 is an apocalyptic number.

12242143936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12242143936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269224160).

12242143936 is an abundant number, since it is smaller than the sum of its proper divisors (14296304384).

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

12242143936 is a wasteful number, since it uses less digits than its factorization.

12242143936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24293 (or 24283 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The spelling of 12242143936 in words is "twelve billion, two hundred forty-two million, one hundred forty-three thousand, nine hundred thirty-six".