212010030100 has 72 divisors (see below), whose sum is σ = 501960060000. Its totient is φ = 77083113600.

The previous prime is 212010030079. The next prime is 212010030101. The reversal of 212010030100 is 1030010212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010030101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11936026 + ... + 11953774.

It is an arithmetic number, because the mean of its divisors is an integer number (6971667500).

Almost surely, 2^212010030100 is an apocalyptic number.

212010030100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010030100 is an abundant number, since it is smaller than the sum of its proper divisors (289950029900).

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

212010030100 is a wasteful number, since it uses less digits than its factorization.

212010030100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633 (or 28626 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 212010030100 its reverse (1030010212), we get a palindrome (213040040312).

The spelling of 212010030100 in words is "two hundred twelve billion, ten million, thirty thousand, one hundred".