212023321120 has 96 divisors (see below), whose sum is σ = 539561418480. Its totient is φ = 78267371520.

The previous prime is 212023321117. The next prime is 212023321217. The reversal of 212023321120 is 21123320212.

It can be written as a sum of positive squares in 8 ways, for example, as 96023135376 + 116000185744 = 309876^2 + 340588^2 .

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, 11782530 + ... + 11800510.

Almost surely, 2^212023321120 is an apocalyptic number.

212023321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212023321120 is an abundant number, since it is smaller than the sum of its proper divisors (327538097360).

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

212023321120 is a wasteful number, since it uses less digits than its factorization.

212023321120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23678 (or 23670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212023321120 its reverse (21123320212), we get a palindrome (233146641332).

The spelling of 212023321120 in words is "two hundred twelve billion, twenty-three million, three hundred twenty-one thousand, one hundred twenty".