20120300310312 has 48 divisors (see below), whose sum is σ = 55001755542240. Its totient is φ = 6644086704288.

The previous prime is 20120300310289. The next prime is 20120300310317. The reversal of 20120300310312 is 21301300302102.

20120300310312 is a `hidden beast` number, since 2 + 0 + 1 + 20 + 300 + 31 + 0 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20120300310317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1305826948 + ... + 1305842355.

It is an arithmetic number, because the mean of its divisors is an integer number (1145869907130).

Almost surely, 2^{20120300310312} is an apocalyptic number.

It is an amenable number.

20120300310312 is an abundant number, since it is smaller than the sum of its proper divisors (34881455231928).

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

20120300310312 is a wasteful number, since it uses less digits than its factorization.

20120300310312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611669422 (or 2611669415 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20120300310312 its reverse (21301300302102), we get a palindrome (41421600612414).

The spelling of 20120300310312 in words is "twenty trillion, one hundred twenty billion, three hundred million, three hundred ten thousand, three hundred twelve".