1214213211321 has 8 divisors (see below), whose sum is σ = 1766128307424. Its totient is φ = 735886794720.

The previous prime is 1214213211311. The next prime is 1214213211331. The reversal of 1214213211321 is 1231123124121.

It is an interprime number because it is at equal distance from previous prime (1214213211311) and next prime (1214213211331).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1214213211321 - 2⁶ = 1214213211257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214213211291 and 1214213211300.

It is not an unprimeable number, because it can be changed into a prime (1214213211311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18397169836 + ... + 18397169901.

It is an arithmetic number, because the mean of its divisors is an integer number (220766038428).

Almost surely, 2^{1214213211321} is an apocalyptic number.

1214213211321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1214213211321 is a deficient number, since it is larger than the sum of its proper divisors (551915096103).

1214213211321 is a wasteful number, since it uses less digits than its factorization.

1214213211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36794339751.

The product of its digits is 576, while the sum is 24.

Adding to 1214213211321 its reverse (1231123124121), we get a palindrome (2445336335442).

The spelling of 1214213211321 in words is "one trillion, two hundred fourteen billion, two hundred thirteen million, two hundred eleven thousand, three hundred twenty-one".