4431212140020 has 48 divisors (see below), whose sum is σ = 13060414731840. Its totient is φ = 1119464119296.

The previous prime is 4431212139989. The next prime is 4431212140037. The reversal of 4431212140020 is 200412121344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943512957 + ... + 1943515236.

It is an arithmetic number, because the mean of its divisors is an integer number (272091973580).

Almost surely, 2^{4431212140020} is an apocalyptic number.

It is an amenable number.

4431212140020 is an abundant number, since it is smaller than the sum of its proper divisors (8629202591820).

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

4431212140020 is a wasteful number, since it uses less digits than its factorization.

4431212140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887028224 (or 3887028222 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4431212140020 its reverse (200412121344), we get a palindrome (4631624261364).

The spelling of 4431212140020 in words is "four trillion, four hundred thirty-one billion, two hundred twelve million, one hundred forty thousand, twenty".