12001213132242 has 16 divisors (see below), whose sum is σ = 24030239051520. Its totient is φ = 3995768912912.

The previous prime is 12001213132201. The next prime is 12001213132243. The reversal of 12001213132242 is 24223131210021.

It is a super-3 number, since 3×12001213132242³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12001213132243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158860517 + ... + 1158870872.

It is an arithmetic number, because the mean of its divisors is an integer number (1501889940720).

Almost surely, 2^{12001213132242} is an apocalyptic number.

12001213132242 is an abundant number, since it is smaller than the sum of its proper divisors (12029025919278).

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

12001213132242 is a wasteful number, since it uses less digits than its factorization.

12001213132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317732257.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12001213132242 its reverse (24223131210021), we get a palindrome (36224344342263).

The spelling of 12001213132242 in words is "twelve trillion, one billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred forty-two".