211213223000 has 64 divisors (see below), whose sum is σ = 532257354720. Its totient is φ = 77986416000.

The previous prime is 211213222937. The next prime is 211213223047. The reversal of 211213223000 is 322312112.

It is a super-2 number, since 2×211213223000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211213223000.

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, 8110586 + ... + 8136585.

Almost surely, 2^211213223000 is an apocalyptic number.

211213223000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211213223000 is an abundant number, since it is smaller than the sum of its proper divisors (321044131720).

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

211213223000 is a wasteful number, since it uses less digits than its factorization.

211213223000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16247205 (or 16247191 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211213223000 its reverse (322312112), we get a palindrome (211535535112).

The spelling of 211213223000 in words is "two hundred eleven billion, two hundred thirteen million, two hundred twenty-three thousand".