312142516132 has 12 divisors (see below), whose sum is σ = 547823611440. Its totient is φ = 155621484296.

The previous prime is 312142516123. The next prime is 312142516151. The reversal of 312142516132 is 231615241213.

It is a junction number, because it is equal to n+sod(n) for n = 312142516094 and 312142516103.

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, 112441882 + ... + 112444657.

It is an arithmetic number, because the mean of its divisors is an integer number (45651967620).

Almost surely, 2^312142516132 is an apocalyptic number.

It is an amenable number.

312142516132 is a deficient number, since it is larger than the sum of its proper divisors (235681095308).

312142516132 is a wasteful number, since it uses less digits than its factorization.

312142516132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224886890 (or 224886888 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

Adding to 312142516132 its reverse (231615241213), we get a palindrome (543757757345).

The spelling of 312142516132 in words is "three hundred twelve billion, one hundred forty-two million, five hundred sixteen thousand, one hundred thirty-two".