212443410020 has 24 divisors (see below), whose sum is σ = 449536747968. Its totient is φ = 84328680800.

The previous prime is 212443410019. The next prime is 212443410059. The reversal of 212443410020 is 20014344212.

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, 40540016 + ... + 40545255.

It is an arithmetic number, because the mean of its divisors is an integer number (18730697832).

Almost surely, 2^212443410020 is an apocalyptic number.

212443410020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212443410020 is an abundant number, since it is smaller than the sum of its proper divisors (237093337948).

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

212443410020 is a wasteful number, since it uses less digits than its factorization.

212443410020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81085411 (or 81085409 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212443410020 its reverse (20014344212), we get a palindrome (232457754232).

The spelling of 212443410020 in words is "two hundred twelve billion, four hundred forty-three million, four hundred ten thousand, twenty".