2221012434432 has 80 divisors (see below), whose sum is σ = 6454817436672. Its totient is φ = 673034065920.

The previous prime is 2221012434427. The next prime is 2221012434451. The reversal of 2221012434432 is 2344342101222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221012434432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65709088 + ... + 65742879.

Almost surely, 2^{2221012434432} is an apocalyptic number.

2221012434432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221012434432 is an abundant number, since it is smaller than the sum of its proper divisors (4233805002240).

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

2221012434432 is a wasteful number, since it uses less digits than its factorization.

2221012434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131451999 (or 131451983 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2221012434432 its reverse (2344342101222), we get a palindrome (4565354535654).

The spelling of 2221012434432 in words is "two trillion, two hundred twenty-one billion, twelve million, four hundred thirty-four thousand, four hundred thirty-two".