212212332100 has 36 divisors (see below), whose sum is σ = 475355630848. Its totient is φ = 82146708000.

The previous prime is 212212332089. The next prime is 212212332107. The reversal of 212212332100 is 1233212212.

It is not an unprimeable number, because it can be changed into a prime (212212332107) 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, 34224696 + ... + 34230895.

Almost surely, 2^212212332100 is an apocalyptic number.

212212332100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212332100 is an abundant number, since it is smaller than the sum of its proper divisors (263143298748).

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

212212332100 is a wasteful number, since it uses less digits than its factorization.

212212332100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68455636 (or 68455629 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212212332100 its reverse (1233212212), we get a palindrome (213445544312).

The spelling of 212212332100 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty-two thousand, one hundred".