210001212012 has 12 divisors (see below), whose sum is σ = 490002828056. Its totient is φ = 70000404000.

The previous prime is 210001211999. The next prime is 210001212073. The reversal of 210001212012 is 210212100012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 17500101001 = 210001212012 / (2 + 1 + 0 + 0 + 0 + 1 + 2 + 1 + 2 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750050489 + ... + 8750050512.

Almost surely, 2^210001212012 is an apocalyptic number.

It is an amenable number.

210001212012 is an abundant number, since it is smaller than the sum of its proper divisors (280001616044).

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

210001212012 is a wasteful number, since it uses less digits than its factorization.

210001212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17500101008 (or 17500101006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210001212012 its reverse (210212100012), we get a palindrome (420213312024).

The spelling of 210001212012 in words is "two hundred ten billion, one million, two hundred twelve thousand, twelve".