12021002310132 has 72 divisors (see below), whose sum is σ = 30828887893440. Its totient is φ = 3948706755840.

The previous prime is 12021002310089. The next prime is 12021002310151. The reversal of 12021002310132 is 23101320012021.

12021002310132 is a `hidden beast` number, since 1 + 202 + 100 + 231 + 0 + 132 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4337203 + ... + 6546245.

It is an arithmetic number, because the mean of its divisors is an integer number (428178998520).

Almost surely, 2^{12021002310132} is an apocalyptic number.

12021002310132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021002310132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15414443946720).

12021002310132 is an abundant number, since it is smaller than the sum of its proper divisors (18807885583308).

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

12021002310132 is a wasteful number, since it uses less digits than its factorization.

12021002310132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211253 (or 2211248 counting only the distinct ones).

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

Adding to 12021002310132 its reverse (23101320012021), we get a palindrome (35122322322153).

The spelling of 12021002310132 in words is "twelve trillion, twenty-one billion, two million, three hundred ten thousand, one hundred thirty-two".