212200001010 has 24 divisors (see below), whose sum is σ = 551720002860. Its totient is φ = 56586666912.

The previous prime is 212200000993. The next prime is 212200001059. The reversal of 212200001010 is 10100002212.

It can be written as a sum of positive squares in 2 ways, for example, as 194034083049 + 18165917961 = 440493^2 + 134781^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212200000983 and 212200001001.

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, 1178888805 + ... + 1178888984.

Almost surely, 2^212200001010 is an apocalyptic number.

212200001010 is an abundant number, since it is smaller than the sum of its proper divisors (339520001850).

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

212200001010 is a wasteful number, since it uses less digits than its factorization.

212200001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357777802 (or 2357777799 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 212200001010 its reverse (10100002212), we get a palindrome (222300003222).

The spelling of 212200001010 in words is "two hundred twelve billion, two hundred million, one thousand, ten".