12001113212132 has 24 divisors (see below), whose sum is σ = 22912935121440. Its totient is φ = 5454642176960.

The previous prime is 12001113212131. The next prime is 12001113212141. The reversal of 12001113212132 is 23121231110021.

It is not an unprimeable number, because it can be changed into a prime (12001113212131) 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, 9638582 + ... + 10812237.

It is an arithmetic number, because the mean of its divisors is an integer number (954705630060).

Almost surely, 2^{12001113212132} is an apocalyptic number.

It is an amenable number.

12001113212132 is a deficient number, since it is larger than the sum of its proper divisors (10911821909308).

12001113212132 is a wasteful number, since it uses less digits than its factorization.

12001113212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20464171 (or 20464169 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12001113212132 its reverse (23121231110021), we get a palindrome (35122344322153).

The spelling of 12001113212132 in words is "twelve trillion, one billion, one hundred thirteen million, two hundred twelve thousand, one hundred thirty-two".