212103201100 has 36 divisors (see below), whose sum is σ = 526015940464. Its totient is φ = 72721097280.

The previous prime is 212103201097. The next prime is 212103201109. The reversal of 212103201100 is 1102301212.

It is not an unprimeable number, because it can be changed into a prime (212103201109) 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, 151501587 + ... + 151502986.

Almost surely, 2^212103201100 is an apocalyptic number.

212103201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212103201100 is an abundant number, since it is smaller than the sum of its proper divisors (313912739364).

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

212103201100 is a wasteful number, since it uses less digits than its factorization.

212103201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303004594 (or 303004587 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212103201100 its reverse (1102301212), we get a palindrome (213205502312).

The spelling of 212103201100 in words is "two hundred twelve billion, one hundred three million, two hundred one thousand, one hundred".