221034024412 has 12 divisors (see below), whose sum is σ = 409563045360. Its totient is φ = 104016011456.

The previous prime is 221034024359. The next prime is 221034024413. The reversal of 221034024412 is 214420430122.

It is a super-2 number, since 2×221034024412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221034024413) 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 3 ways as a sum of consecutive naturals, for example, 1625250112 + ... + 1625250247.

It is an arithmetic number, because the mean of its divisors is an integer number (34130253780).

Almost surely, 2^221034024412 is an apocalyptic number.

It is an amenable number.

221034024412 is a deficient number, since it is larger than the sum of its proper divisors (188529020948).

221034024412 is a wasteful number, since it uses less digits than its factorization.

221034024412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250500380 (or 3250500378 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 221034024412 its reverse (214420430122), we get a palindrome (435454454534).

The spelling of 221034024412 in words is "two hundred twenty-one billion, thirty-four million, twenty-four thousand, four hundred twelve".