312002212000 has 96 divisors (see below), whose sum is σ = 771294049344. Its totient is φ = 124034976000.

The previous prime is 312002211991. The next prime is 312002212001. The reversal of 312002212000 is 212200213.

It is not an unprimeable number, because it can be changed into a prime (312002212001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412735 + ... + 891265.

It is an arithmetic number, because the mean of its divisors is an integer number (8034313014).

Almost surely, 2^312002212000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312002212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385647024672).

312002212000 is an abundant number, since it is smaller than the sum of its proper divisors (459291837344).

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

312002212000 is a wasteful number, since it uses less digits than its factorization.

312002212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478719 (or 478701 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 312002212000 its reverse (212200213), we get a palindrome (312214412213).

The spelling of 312002212000 in words is "three hundred twelve billion, two million, two hundred twelve thousand".