312002120210 has 64 divisors (see below), whose sum is σ = 628961324544. Its totient is φ = 110448307200.

The previous prime is 312002120141. The next prime is 312002120219. The reversal of 312002120210 is 12021200213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (312002120219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2013422 + ... + 2162838.

It is an arithmetic number, because the mean of its divisors is an integer number (9827520696).

Almost surely, 2^312002120210 is an apocalyptic number.

312002120210 is an abundant number, since it is smaller than the sum of its proper divisors (316959204334).

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

312002120210 is a wasteful number, since it uses less digits than its factorization.

312002120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149939.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 312002120210 its reverse (12021200213), we get a palindrome (324023320423).

The spelling of 312002120210 in words is "three hundred twelve billion, two million, one hundred twenty thousand, two hundred ten".