212203102100 has 36 divisors (see below), whose sum is σ = 502342618848. Its totient is φ = 77164764000.

The previous prime is 212203102091. The next prime is 212203102141. The reversal of 212203102100 is 1201302212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96454856 + ... + 96457055.

Almost surely, 2^212203102100 is an apocalyptic number.

212203102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212203102100 is an abundant number, since it is smaller than the sum of its proper divisors (290139516748).

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

212203102100 is a wasteful number, since it uses less digits than its factorization.

212203102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192911936 (or 192911929 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212203102100 its reverse (1201302212), we get a palindrome (213404404312).

The spelling of 212203102100 in words is "two hundred twelve billion, two hundred three million, one hundred two thousand, one hundred".