211212000121002 has 32 divisors (see below), whose sum is σ = 425765938747392. Its totient is φ = 69847051345344.

The previous prime is 211212000120997. The next prime is 211212000121007. The reversal of 211212000121002 is 200121000212112.

It is an interprime number because it is at equal distance from previous prime (211212000120997) and next prime (211212000121007).

It is a super-2 number, since 2×211212000121002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212000121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15514288 + ... + 25751060.

It is an arithmetic number, because the mean of its divisors is an integer number (13305185585856).

Almost surely, 2^{211212000121002} is an apocalyptic number.

211212000121002 is an abundant number, since it is smaller than the sum of its proper divisors (214553938626390).

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

211212000121002 is a wasteful number, since it uses less digits than its factorization.

211212000121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10263982.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211212000121002 its reverse (200121000212112), we get a palindrome (411333000333114).

The spelling of 211212000121002 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred twenty-one thousand, two".