211223340000 has 180 divisors, whose sum is σ = 750593339496. Its totient is φ = 56326176000.

The previous prime is 211223339993. The next prime is 211223340011. The reversal of 211223340000 is 43322112.

211223340000 is a `hidden beast` number, since 21 + 12 + 233 + 400 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 406732 + ... + 766731.

Almost surely, 2^211223340000 is an apocalyptic number.

211223340000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211223340000 is an abundant number, since it is smaller than the sum of its proper divisors (539369999496).

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

211223340000 is a wasteful number, since it uses less digits than its factorization.

211223340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173499 (or 1173473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 211223340000 its reverse (43322112), we get a palindrome (211266662112).

The spelling of 211223340000 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred forty thousand".