1214120344123 has 4 divisors (see below), whose sum is σ = 1214123253808. Its totient is φ = 1214117434440.

The previous prime is 1214120344111. The next prime is 1214120344133. The reversal of 1214120344123 is 3214430214121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1214120344123 - 2²⁵ = 1214086789691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214120344091 and 1214120344100.

It is not an unprimeable number, because it can be changed into a prime (1214120344133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697536 + ... + 1707277.

It is an arithmetic number, because the mean of its divisors is an integer number (303530813452).

Almost surely, 2^{1214120344123} is an apocalyptic number.

1214120344123 is a deficient number, since it is larger than the sum of its proper divisors (2909685).

1214120344123 is an equidigital number, since it uses as much as digits as its factorization.

1214120344123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909684.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1214120344123 its reverse (3214430214121), we get a palindrome (4428550558244).

The spelling of 1214120344123 in words is "one trillion, two hundred fourteen billion, one hundred twenty million, three hundred forty-four thousand, one hundred twenty-three".