12001032213131 has 4 divisors (see below), whose sum is σ = 12924188537232. Its totient is φ = 11077875889032.

The previous prime is 12001032213101. The next prime is 12001032213161. The reversal of 12001032213131 is 13131223010021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12001032213101) and next prime (12001032213161).

It is a cyclic number.

It is not a de Polignac number, because 12001032213131 - 2⁶ = 12001032213067 is a prime.

It is a super-3 number, since 3×12001032213131³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001032213101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461578162031 + ... + 461578162056.

It is an arithmetic number, because the mean of its divisors is an integer number (3231047134308).

Almost surely, 2^{12001032213131} is an apocalyptic number.

12001032213131 is a deficient number, since it is larger than the sum of its proper divisors (923156324101).

12001032213131 is an equidigital number, since it uses as much as digits as its factorization.

12001032213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923156324100.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12001032213131 its reverse (13131223010021), we get a palindrome (25132255223152).

The spelling of 12001032213131 in words is "twelve trillion, one billion, thirty-two million, two hundred thirteen thousand, one hundred thirty-one".