212110001204 has 6 divisors (see below), whose sum is σ = 371192502114. Its totient is φ = 106055000600.

The previous prime is 212110001167. The next prime is 212110001231. The reversal of 212110001204 is 402100011212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 118597584400 + 93512416804 = 344380^2 + 305798^2 .

It is a super-2 number, since 2×212110001204² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26513750147 + ... + 26513750154.

It is an arithmetic number, because the mean of its divisors is an integer number (61865417019).

Almost surely, 2^212110001204 is an apocalyptic number.

It is an amenable number.

212110001204 is a deficient number, since it is larger than the sum of its proper divisors (159082500910).

212110001204 is a wasteful number, since it uses less digits than its factorization.

212110001204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53027500305 (or 53027500303 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212110001204 its reverse (402100011212), we get a palindrome (614210012416).

The spelling of 212110001204 in words is "two hundred twelve billion, one hundred ten million, one thousand, two hundred four".