212232203100 has 216 divisors, whose sum is σ = 687201016320. Its totient is φ = 54728784000.

The previous prime is 212232203081. The next prime is 212232203179. The reversal of 212232203100 is 1302232212.

It is a super-2 number, since 2×212232203100² (a number of 23 digits) contains 22 as substring.

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 71 ways as a sum of consecutive naturals, for example, 60792355 + ... + 60795845.

Almost surely, 2^212232203100 is an apocalyptic number.

212232203100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212232203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343600508160).

212232203100 is an abundant number, since it is smaller than the sum of its proper divisors (474968813220).

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

212232203100 is a wasteful number, since it uses less digits than its factorization.

212232203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721 (or 5711 counting only the distinct ones).

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

Adding to 212232203100 its reverse (1302232212), we get a palindrome (213534435312).

The spelling of 212232203100 in words is "two hundred twelve billion, two hundred thirty-two million, two hundred three thousand, one hundred".