212112001210 has 8 divisors (see below), whose sum is σ = 381801602196. Its totient is φ = 84844800480.

The previous prime is 212112001201. The next prime is 212112001219. The reversal of 212112001210 is 12100211212.

It is an interprime number because it is at equal distance from previous prime (212112001201) and next prime (212112001219).

It can be written as a sum of positive squares in 2 ways, for example, as 208318303561 + 3793697649 = 456419^2 + 61593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212112001210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212112001219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605600051 + ... + 10605600070.

Almost surely, 2^212112001210 is an apocalyptic number.

212112001210 is a deficient number, since it is larger than the sum of its proper divisors (169689600986).

212112001210 is a wasteful number, since it uses less digits than its factorization.

212112001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21211200128.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212112001210 its reverse (12100211212), we get a palindrome (224212212422).

The spelling of 212112001210 in words is "two hundred twelve billion, one hundred twelve million, one thousand, two hundred ten".