212021201120 has 96 divisors (see below), whose sum is σ = 539354440800. Its totient is φ = 78466809856.

The previous prime is 212021201099. The next prime is 212021201173. The reversal of 212021201120 is 21102120212.

It is a junction number, because it is equal to n+sod(n) for n = 212021201095 and 212021201104.

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, 500105 + ... + 821064.

It is an arithmetic number, because the mean of its divisors is an integer number (5618275425).

Almost surely, 2^212021201120 is an apocalyptic number.

212021201120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021201120 is an abundant number, since it is smaller than the sum of its proper divisors (327333239680).

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

212021201120 is a wasteful number, since it uses less digits than its factorization.

212021201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321260 (or 1321252 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212021201120 its reverse (21102120212), we get a palindrome (233123321332).

The spelling of 212021201120 in words is "two hundred twelve billion, twenty-one million, two hundred one thousand, one hundred twenty".