12021010302312 has 48 divisors (see below), whose sum is σ = 35516621350080. Its totient is φ = 3642730394400.

The previous prime is 12021010302281. The next prime is 12021010302313. The reversal of 12021010302312 is 21320301012021.

12021010302312 is a `hidden beast` number, since 1 + 20 + 21 + 0 + 10 + 302 + 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 (12021010302313) 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, 7589020864 + ... + 7589022447.

It is an arithmetic number, because the mean of its divisors is an integer number (739929611460).

Almost surely, 2^{12021010302312} is an apocalyptic number.

12021010302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12021010302312 is an abundant number, since it is smaller than the sum of its proper divisors (23495611047768).

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

12021010302312 is a wasteful number, since it uses less digits than its factorization.

12021010302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15178043334 (or 15178043327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12021010302312 its reverse (21320301012021), we get a palindrome (33341311314333).

The spelling of 12021010302312 in words is "twelve trillion, twenty-one billion, ten million, three hundred two thousand, three hundred twelve".