212321120208 has 40 divisors (see below), whose sum is σ = 556009883328. Its totient is φ = 69804202752.

The previous prime is 212321120191. The next prime is 212321120213. The reversal of 212321120208 is 802021123212.

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

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, 30293460 + ... + 30300467.

Almost surely, 2^212321120208 is an apocalyptic number.

It is an amenable number.

212321120208 is an abundant number, since it is smaller than the sum of its proper divisors (343688763120).

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

212321120208 is a wasteful number, since it uses less digits than its factorization.

212321120208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60594011 (or 60594005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 212321120208 in words is "two hundred twelve billion, three hundred twenty-one million, one hundred twenty thousand, two hundred eight".