12021300202312 has 64 divisors (see below), whose sum is σ = 24289023528000. Its totient is φ = 5559354549504.

The previous prime is 12021300202309. The next prime is 12021300202343. The reversal of 12021300202312 is 21320200312021.

12021300202312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12021300202312.

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, 14048614 + ... + 14879722.

It is an arithmetic number, because the mean of its divisors is an integer number (379515992625).

Almost surely, 2^{12021300202312} is an apocalyptic number.

It is an amenable number.

12021300202312 is an abundant number, since it is smaller than the sum of its proper divisors (12267723325688).

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

12021300202312 is a wasteful number, since it uses less digits than its factorization.

12021300202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833390 (or 833386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12021300202312 its reverse (21320200312021), we get a palindrome (33341500514333).

The spelling of 12021300202312 in words is "twelve trillion, twenty-one billion, three hundred million, two hundred two thousand, three hundred twelve".