12021734152000 has 112 divisors (see below), whose sum is σ = 29786255113680. Its totient is φ = 4806362880000.

The previous prime is 12021734151997. The next prime is 12021734152003. The reversal of 12021734152000 is 25143712021.

It is an interprime number because it is at equal distance from previous prime (12021734151997) and next prime (12021734152003).

It can be written as a sum of positive squares in 8 ways, for example, as 9582689830464 + 2439044321536 = 3095592^2 + 1561744^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12021734152000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021734152003) 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, 16188850 + ... + 16915150.

Almost surely, 2^{12021734152000} is an apocalyptic number.

12021734152000 is a gapful number since it is divisible by the number (10) 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 12021734152000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14893127556840).

12021734152000 is an abundant number, since it is smaller than the sum of its proper divisors (17764520961680).

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

12021734152000 is an equidigital number, since it uses as much as digits as its factorization.

12021734152000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728397 (or 728377 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 12021734152000 its reverse (25143712021), we get a palindrome (12046877864021).

The spelling of 12021734152000 in words is "twelve trillion, twenty-one billion, seven hundred thirty-four million, one hundred fifty-two thousand".