1221214024414 has 8 divisors (see below), whose sum is σ = 1831862337408. Its totient is φ = 610593245280.

The previous prime is 1221214024409. The next prime is 1221214024453. The reversal of 1221214024414 is 4144204121221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6772222 + ... + 6950209.

It is an arithmetic number, because the mean of its divisors is an integer number (228982792176).

Almost surely, 2^{1221214024414} is an apocalyptic number.

1221214024414 is a deficient number, since it is larger than the sum of its proper divisors (610648312994).

1221214024414 is a wasteful number, since it uses less digits than its factorization.

1221214024414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766930.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1221214024414 its reverse (4144204121221), we get a palindrome (5365418145635).

The spelling of 1221214024414 in words is "one trillion, two hundred twenty-one billion, two hundred fourteen million, twenty-four thousand, four hundred fourteen".