212420400004104 has 32 divisors (see below), whose sum is σ = 533272970736000. Its totient is φ = 70510537237952.

The previous prime is 212420400004069. The next prime is 212420400004121. The reversal of 212420400004104 is 401400004024212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 18516416859 + ... + 18516428330.

It is an arithmetic number, because the mean of its divisors is an integer number (16664780335500).

Almost surely, 2^{212420400004104} is an apocalyptic number.

212420400004104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212420400004104 is an abundant number, since it is smaller than the sum of its proper divisors (320852570731896).

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

212420400004104 is a wasteful number, since it uses less digits than its factorization.

212420400004104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37032845437 (or 37032845433 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212420400004104 its reverse (401400004024212), we get a palindrome (613820404028316).

The spelling of 212420400004104 in words is "two hundred twelve trillion, four hundred twenty billion, four hundred million, four thousand, one hundred four".