212132211300 has 54 divisors (see below), whose sum is σ = 664916634018. Its totient is φ = 56568589440.

The previous prime is 212132211299. The next prime is 212132211301. The reversal of 212132211300 is 3112231212.

212132211300 is a `hidden beast` number, since 2 + 121 + 32 + 211 + 300 = 666.

It is an interprime number because it is at equal distance from previous prime (212132211299) and next prime (212132211301).

It can be written as a sum of positive squares in 3 ways, for example, as 1274918436 + 210857292864 = 35706^2 + 459192^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212132211301) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 117850329 + ... + 117852128.

Almost surely, 2^212132211300 is an apocalyptic number.

212132211300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212132211300 is an abundant number, since it is smaller than the sum of its proper divisors (452784422718).

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

212132211300 is a wasteful number, since it uses less digits than its factorization.

212132211300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235702477 (or 235702467 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212132211300 its reverse (3112231212), we get a palindrome (215244442512).

The spelling of 212132211300 in words is "two hundred twelve billion, one hundred thirty-two million, two hundred eleven thousand, three hundred".