212330223100 has 36 divisors (see below), whose sum is σ = 485006935000. Its totient is φ = 80461978560.

The previous prime is 212330223029. The next prime is 212330223107. The reversal of 212330223100 is 1322033212.

It is a super-2 number, since 2×212330223100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212330223107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55874475 + ... + 55878274.

Almost surely, 2^212330223100 is an apocalyptic number.

212330223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212330223100 is an abundant number, since it is smaller than the sum of its proper divisors (272676711900).

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

212330223100 is a wasteful number, since it uses less digits than its factorization.

212330223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111752782 (or 111752775 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212330223100 its reverse (1322033212), we get a palindrome (213652256312).

The spelling of 212330223100 in words is "two hundred twelve billion, three hundred thirty million, two hundred twenty-three thousand, one hundred".