12142132040 has 16 divisors (see below), whose sum is σ = 27319797180. Its totient is φ = 4856852800.

The previous prime is 12142132033. The next prime is 12142132081. The reversal of 12142132040 is 4023124121.

It can be written as a sum of positive squares in 2 ways, for example, as 11281413796 + 860718244 = 106214^2 + 29338^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 151776611 + ... + 151776690.

Almost surely, 2^12142132040 is an apocalyptic number.

12142132040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12142132040 is an abundant number, since it is smaller than the sum of its proper divisors (15177665140).

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

12142132040 is a wasteful number, since it uses less digits than its factorization.

12142132040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303553312 (or 303553308 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12142132040 its reverse (4023124121), we get a palindrome (16165256161).

The spelling of 12142132040 in words is "twelve billion, one hundred forty-two million, one hundred thirty-two thousand, forty".