1214440221405 has 32 divisors (see below), whose sum is σ = 1990598053248. Its totient is φ = 631871820800.

The previous prime is 1214440221367. The next prime is 1214440221433. The reversal of 1214440221405 is 5041220444121.

It is not a de Polignac number, because 1214440221405 - 2⁹ = 1214440220893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16578910 + ... + 16652000.

It is an arithmetic number, because the mean of its divisors is an integer number (62206189164).

Almost surely, 2^{1214440221405} is an apocalyptic number.

1214440221405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1214440221405 is a deficient number, since it is larger than the sum of its proper divisors (776157831843).

1214440221405 is a wasteful number, since it uses less digits than its factorization.

1214440221405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100157.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1214440221405 its reverse (5041220444121), we get a palindrome (6255660665526).

The spelling of 1214440221405 in words is "one trillion, two hundred fourteen billion, four hundred forty million, two hundred twenty-one thousand, four hundred five".