1221214444214 has 16 divisors (see below), whose sum is σ = 1846776422400. Its totient is φ = 605630761704.

The previous prime is 1221214444211. The next prime is 1221214444253. The reversal of 1221214444214 is 4124444121221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221214444211) 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, 1825142 + ... + 2402825.

It is an arithmetic number, because the mean of its divisors is an integer number (115423526400).

Almost surely, 2^{1221214444214} is an apocalyptic number.

1221214444214 is a deficient number, since it is larger than the sum of its proper divisors (625561978186).

1221214444214 is a wasteful number, since it uses less digits than its factorization.

1221214444214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229147.

The product of its digits is 16384, while the sum is 32.

Adding to 1221214444214 its reverse (4124444121221), we get a palindrome (5345658565435).

The spelling of 1221214444214 in words is "one trillion, two hundred twenty-one billion, two hundred fourteen million, four hundred forty-four thousand, two hundred fourteen".