12143402332 has 12 divisors (see below), whose sum is σ = 21271939416. Its totient is φ = 6065705360.

The previous prime is 12143402329. The next prime is 12143402351. The reversal of 12143402332 is 23320434121.

It is a junction number, because it is equal to n+sod(n) for n = 12143402297 and 12143402306.

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, 1494394 + ... + 1502497.

It is an arithmetic number, because the mean of its divisors is an integer number (1772661618).

Almost surely, 2^12143402332 is an apocalyptic number.

It is an amenable number.

12143402332 is a deficient number, since it is larger than the sum of its proper divisors (9128537084).

12143402332 is a wasteful number, since it uses less digits than its factorization.

12143402332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997908 (or 2997906 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12143402332 its reverse (23320434121), we get a palindrome (35463836453).

The spelling of 12143402332 in words is "twelve billion, one hundred forty-three million, four hundred two thousand, three hundred thirty-two".