12884143140 has 72 divisors (see below), whose sum is σ = 42634807488. Its totient is φ = 3123428160.

The previous prime is 12884143127. The next prime is 12884143187. The reversal of 12884143140 is 4134148821.

It is a happy number.

It is a super-2 number, since 2×12884143140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12884143095 and 12884143104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3251592 + ... + 3255551.

It is an arithmetic number, because the mean of its divisors is an integer number (592150104).

Almost surely, 2^12884143140 is an apocalyptic number.

12884143140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12884143140 is an abundant number, since it is smaller than the sum of its proper divisors (29750664348).

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

12884143140 is a wasteful number, since it uses less digits than its factorization.

12884143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507169 (or 6507164 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 12884143140 in words is "twelve billion, eight hundred eighty-four million, one hundred forty-three thousand, one hundred forty".