312442000424220 has 48 divisors (see below), whose sum is σ = 874838368010880. Its totient is φ = 83317793749056.

The previous prime is 312442000424209. The next prime is 312442000424263. The reversal of 312442000424220 is 22424000244213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 133766499 + ... + 136082181.

It is an arithmetic number, because the mean of its divisors is an integer number (18225799333560).

Almost surely, 2^{312442000424220} is an apocalyptic number.

312442000424220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312442000424220 is an abundant number, since it is smaller than the sum of its proper divisors (562396367586660).

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

312442000424220 is a wasteful number, since it uses less digits than its factorization.

312442000424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564434 (or 4564432 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 312442000424220 its reverse (22424000244213), we get a palindrome (334866000668433).

The spelling of 312442000424220 in words is "three hundred twelve trillion, four hundred forty-two billion, four hundred twenty-four thousand, two hundred twenty".