1214240221123 has 4 divisors (see below), whose sum is σ = 1214307521280. Its totient is φ = 1214172920968.

The previous prime is 1214240221067. The next prime is 1214240221141. The reversal of 1214240221123 is 3211220424121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214240221123 is a prime.

It is a super-2 number, since 2×1214240221123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214240221723) 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, 33623008 + ... + 33659101.

It is an arithmetic number, because the mean of its divisors is an integer number (303576880320).

Almost surely, 2^{1214240221123} is an apocalyptic number.

1214240221123 is a deficient number, since it is larger than the sum of its proper divisors (67300157).

1214240221123 is an equidigital number, since it uses as much as digits as its factorization.

1214240221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67300156.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1214240221123 its reverse (3211220424121), we get a palindrome (4425460645244).

The spelling of 1214240221123 in words is "one trillion, two hundred fourteen billion, two hundred forty million, two hundred twenty-one thousand, one hundred twenty-three".