212030311120 has 40 divisors (see below), whose sum is σ = 494343717120. Its totient is φ = 84575867520.

The previous prime is 212030311099. The next prime is 212030311147. The reversal of 212030311120 is 21113030212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 212030311094 and 212030311103.

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, 3662616 + ... + 3720055.

It is an arithmetic number, because the mean of its divisors is an integer number (12358592928).

Almost surely, 2^212030311120 is an apocalyptic number.

212030311120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212030311120 is an abundant number, since it is smaller than the sum of its proper divisors (282313406000).

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

212030311120 is a wasteful number, since it uses less digits than its factorization.

212030311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383043 (or 7383037 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212030311120 its reverse (21113030212), we get a palindrome (233143341332).

The spelling of 212030311120 in words is "two hundred twelve billion, thirty million, three hundred eleven thousand, one hundred twenty".