10021213031312 has 80 divisors (see below), whose sum is σ = 22814925417984. Its totient is φ = 4174592256000.

The previous prime is 10021213031311. The next prime is 10021213031327. The reversal of 10021213031312 is 21313031212001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10021213031311) 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, 2781989 + ... + 5270852.

Almost surely, 2^{10021213031312} is an apocalyptic number.

It is an amenable number.

10021213031312 is an abundant number, since it is smaller than the sum of its proper divisors (12793712386672).

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

10021213031312 is a wasteful number, since it uses less digits than its factorization.

10021213031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053168 (or 8053162 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10021213031312 its reverse (21313031212001), we get a palindrome (31334244243313).

The spelling of 10021213031312 in words is "ten trillion, twenty-one billion, two hundred thirteen million, thirty-one thousand, three hundred twelve".