212212011100 has 18 divisors (see below), whose sum is σ = 460500064304. Its totient is φ = 84884804400.

The previous prime is 212212011079. The next prime is 212212011119. The reversal of 212212011100 is 1110212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061059956 + ... + 1061060155.

Almost surely, 2^212212011100 is an apocalyptic number.

212212011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212011100 is an abundant number, since it is smaller than the sum of its proper divisors (248288053204).

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

212212011100 is a wasteful number, since it uses less digits than its factorization.

212212011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122120125 (or 2122120118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212212011100 its reverse (1110212212), we get a palindrome (213322223312).

The spelling of 212212011100 in words is "two hundred twelve billion, two hundred twelve million, eleven thousand, one hundred".