312212322200040 has 64 divisors (see below), whose sum is σ = 938872377172800. Its totient is φ = 83057916091392.

The previous prime is 312212322200021. The next prime is 312212322200059. The reversal of 312212322200040 is 40002223212213.

It is an interprime number because it is at equal distance from previous prime (312212322200021) and next prime (312212322200059).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3104686417 + ... + 3104786976.

It is an arithmetic number, because the mean of its divisors is an integer number (14669880893325).

Almost surely, 2^{312212322200040} is an apocalyptic number.

312212322200040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312212322200040 is an abundant number, since it is smaller than the sum of its proper divisors (626660054972760).

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

312212322200040 is a wasteful number, since it uses less digits than its factorization.

312212322200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209473826 (or 6209473822 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 312212322200040 its reverse (40002223212213), we get a palindrome (352214545412253).

The spelling of 312212322200040 in words is "three hundred twelve trillion, two hundred twelve billion, three hundred twenty-two million, two hundred thousand, forty".