12211024042143 has 16 divisors (see below), whose sum is σ = 18090459983200. Its totient is φ = 8140658397120.

The previous prime is 12211024042117. The next prime is 12211024042169. The reversal of 12211024042143 is 34124042011221.

12211024042143 is a `hidden beast` number, since 1 + 2 + 2 + 110 + 2 + 404 + 2 + 143 = 666.

It is an interprime number because it is at equal distance from previous prime (12211024042117) and next prime (12211024042169).

It is not a de Polignac number, because 12211024042143 - 2⁵ = 12211024042111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211024042643) 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, 16311513 + ... + 17043693.

It is an arithmetic number, because the mean of its divisors is an integer number (1130653748950).

Almost surely, 2^{12211024042143} is an apocalyptic number.

12211024042143 is a deficient number, since it is larger than the sum of its proper divisors (5879435941057).

12211024042143 is an equidigital number, since it uses as much as digits as its factorization.

12211024042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349879 (or 1349873 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12211024042143 its reverse (34124042011221), we get a palindrome (46335066053364).

The spelling of 12211024042143 in words is "twelve trillion, two hundred eleven billion, twenty-four million, forty-two thousand, one hundred forty-three".