1214120342543 has 16 divisors (see below), whose sum is σ = 1292536820736. Its totient is φ = 1136491171200.

The previous prime is 1214120342531. The next prime is 1214120342557. The reversal of 1214120342543 is 3452430214121.

It is a cyclic number.

It is not a de Polignac number, because 1214120342543 - 2²⁰ = 1214119293967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214120312543) 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, 3831980 + ... + 4136702.

It is an arithmetic number, because the mean of its divisors is an integer number (80783551296).

Almost surely, 2^{1214120342543} is an apocalyptic number.

1214120342543 is a deficient number, since it is larger than the sum of its proper divisors (78416478193).

1214120342543 is a wasteful number, since it uses less digits than its factorization.

1214120342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306014.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1214120342543 its reverse (3452430214121), we get a palindrome (4666550556664).

The spelling of 1214120342543 in words is "one trillion, two hundred fourteen billion, one hundred twenty million, three hundred forty-two thousand, five hundred forty-three".