4431212203412 has 6 divisors (see below), whose sum is σ = 7754621355978. Its totient is φ = 2215606101704.

The previous prime is 4431212203399. The next prime is 4431212203447. The reversal of 4431212203412 is 2143022121344.

It can be written as a sum of positive squares in only one way, i.e., 3564294788356 + 866917415056 = 1887934^2 + 931084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553901525423 + ... + 553901525430.

It is an arithmetic number, because the mean of its divisors is an integer number (1292436892663).

Almost surely, 2^{4431212203412} is an apocalyptic number.

It is an amenable number.

4431212203412 is a deficient number, since it is larger than the sum of its proper divisors (3323409152566).

4431212203412 is a wasteful number, since it uses less digits than its factorization.

4431212203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107803050857 (or 1107803050855 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4431212203412 its reverse (2143022121344), we get a palindrome (6574234324756).

The spelling of 4431212203412 in words is "four trillion, four hundred thirty-one billion, two hundred twelve million, two hundred three thousand, four hundred twelve".