2000001121212 has 12 divisors (see below), whose sum is σ = 4666669282856. Its totient is φ = 666667040400.

The previous prime is 2000001121211. The next prime is 2000001121213. The reversal of 2000001121212 is 2121211000002.

It is an interprime number because it is at equal distance from previous prime (2000001121211) and next prime (2000001121213).

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: 166666760101 = 2000001121212 / (2 + 0 + 0 + 0 + 0 + 0 + 1 + 1 + 2 + 1 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000001121211) 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, 83333380039 + ... + 83333380062.

Almost surely, 2^{2000001121212} is an apocalyptic number.

It is an amenable number.

2000001121212 is an abundant number, since it is smaller than the sum of its proper divisors (2666668161644).

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

2000001121212 is a wasteful number, since it uses less digits than its factorization.

2000001121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166666760108 (or 166666760106 counting only the distinct ones).

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

Adding to 2000001121212 its reverse (2121211000002), we get a palindrome (4121212121214).

The spelling of 2000001121212 in words is "two trillion, one million, one hundred twenty-one thousand, two hundred twelve".