12211511450141 has 16 divisors (see below), whose sum is σ = 12637698278400. Its totient is φ = 11785665907008.

The previous prime is 12211511450081. The next prime is 12211511450213. The reversal of 12211511450141 is 14105411511221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12211511450141 - 2³⁰ = 12210437708317 is a prime.

It is a super-3 number, since 3×12211511450141³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211511450041) 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, 1387194446 + ... + 1387203248.

It is an arithmetic number, because the mean of its divisors is an integer number (789856142400).

Almost surely, 2^{12211511450141} is an apocalyptic number.

It is an amenable number.

12211511450141 is a deficient number, since it is larger than the sum of its proper divisors (426186828259).

12211511450141 is an equidigital number, since it uses as much as digits as its factorization.

12211511450141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708.

The product of its (nonzero) digits is 1600, while the sum is 29.

Adding to 12211511450141 its reverse (14105411511221), we get a palindrome (26316922961362).

The spelling of 12211511450141 in words is "twelve trillion, two hundred eleven billion, five hundred eleven million, four hundred fifty thousand, one hundred forty-one".