210221202122012 has 24 divisors (see below), whose sum is σ = 371727278902560. Its totient is φ = 104014515873600.

The previous prime is 210221202121951. The next prime is 210221202122147.

210221202122012 is nontrivially palindromic in base 10.

210221202122012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210221202122012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137705363 + ... + 139223594.

It is an arithmetic number, because the mean of its divisors is an integer number (15488636620940).

Almost surely, 2^{210221202122012} is an apocalyptic number.

It is an amenable number.

210221202122012 is a deficient number, since it is larger than the sum of its proper divisors (161506076780548).

210221202122012 is a wasteful number, since it uses less digits than its factorization.

210221202122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276930941 (or 276930939 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 21022120 and 2122012, that added together give a palindrome (23144132).

The spelling of 210221202122012 in words is "two hundred ten trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty-two thousand, twelve".