2000012212221 has 16 divisors (see below), whose sum is σ = 2690835764544. Its totient is φ = 1321269926144.

The previous prime is 2000012212207. The next prime is 2000012212249. The reversal of 2000012212221 is 1222122100002.

It is a cyclic number.

It is not a de Polignac number, because 2000012212221 - 2⁶ = 2000012212157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2000012212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000012212271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048450 + ... + 2258156.

It is an arithmetic number, because the mean of its divisors is an integer number (168177235284).

Almost surely, 2^{2000012212221} is an apocalyptic number.

It is an amenable number.

2000012212221 is a deficient number, since it is larger than the sum of its proper divisors (690823552323).

2000012212221 is a wasteful number, since it uses less digits than its factorization.

2000012212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214700.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2000012212221 its reverse (1222122100002), we get a palindrome (3222134312223).

The spelling of 2000012212221 in words is "two trillion, twelve million, two hundred twelve thousand, two hundred twenty-one".