212312025100 has 72 divisors (see below), whose sum is σ = 535458228480. Its totient is φ = 71558905920.

The previous prime is 212312025089. The next prime is 212312025103. The reversal of 212312025100 is 1520213212.

It is not an unprimeable number, because it can be changed into a prime (212312025103) 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, 2529064 + ... + 2611663.

It is an arithmetic number, because the mean of its divisors is an integer number (7436919840).

Almost surely, 2^212312025100 is an apocalyptic number.

212312025100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212312025100 is an abundant number, since it is smaller than the sum of its proper divisors (323146203380).

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

212312025100 is a wasteful number, since it uses less digits than its factorization.

212312025100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140807 (or 5140800 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 212312025100 its reverse (1520213212), we get a palindrome (213832238312).

The spelling of 212312025100 in words is "two hundred twelve billion, three hundred twelve million, twenty-five thousand, one hundred".