312141421342240 has 48 divisors (see below), whose sum is σ = 842781837627072. Its totient is φ = 107019915888384.

The previous prime is 312141421342229. The next prime is 312141421342277. The reversal of 312141421342240 is 42243124141213.

It is a junction number, because it is equal to n+sod(n) for n = 312141421342196 and 312141421342205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139348847694 + ... + 139348849933.

It is an arithmetic number, because the mean of its divisors is an integer number (17557954950564).

Almost surely, 2^{312141421342240} is an apocalyptic number.

It is an amenable number.

312141421342240 is an abundant number, since it is smaller than the sum of its proper divisors (530640416284832).

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

312141421342240 is a wasteful number, since it uses less digits than its factorization.

312141421342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278697697649 (or 278697697641 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 312141421342240 its reverse (42243124141213), we get a palindrome (354384545483453).

The spelling of 312141421342240 in words is "three hundred twelve trillion, one hundred forty-one billion, four hundred twenty-one million, three hundred forty-two thousand, two hundred forty".