12002154602000 has 40 divisors (see below), whose sum is σ = 29021209832472. Its totient is φ = 4800861840000.

The previous prime is 12002154601993. The next prime is 12002154602021. The reversal of 12002154602000 is 20645120021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3089326491904 + 8912828110096 = 1757648^2 + 2985436^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000536651 + ... + 3000540650.

Almost surely, 2^{12002154602000} is an apocalyptic number.

12002154602000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002154602000 is an abundant number, since it is smaller than the sum of its proper divisors (17019055230472).

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

12002154602000 is an equidigital number, since it uses as much as digits as its factorization.

12002154602000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001077324 (or 6001077308 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12002154602000 its reverse (20645120021), we get a palindrome (12022799722021).

The spelling of 12002154602000 in words is "twelve trillion, two billion, one hundred fifty-four million, six hundred two thousand".