1221244414434 has 24 divisors (see below), whose sum is σ = 2886577707312. Its totient is φ = 370074064920.

The previous prime is 1221244414433. The next prime is 1221244414463. The reversal of 1221244414434 is 4344144421221.

1221244414434 is a `hidden beast` number, since 1 + 2 + 212 + 4 + 4 + 4 + 1 + 4 + 434 = 666.

It is not an unprimeable number, because it can be changed into a prime (1221244414433) 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 11 ways as a sum of consecutive naturals, for example, 3083950344 + ... + 3083950739.

It is an arithmetic number, because the mean of its divisors is an integer number (120274071138).

Almost surely, 2^{1221244414434} is an apocalyptic number.

1221244414434 is an abundant number, since it is smaller than the sum of its proper divisors (1665333292878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1221244414434 is a wasteful number, since it uses less digits than its factorization.

1221244414434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6167901102 (or 6167901099 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

Adding to 1221244414434 its reverse (4344144421221), we get a palindrome (5565388835655).

The spelling of 1221244414434 in words is "one trillion, two hundred twenty-one billion, two hundred forty-four million, four hundred fourteen thousand, four hundred thirty-four".