221200210210012 has 24 divisors (see below), whose sum is σ = 422291703601152. Its totient is φ = 100545456476400.

The previous prime is 221200210209971. The next prime is 221200210210069. The reversal of 221200210210012 is 210012012002122.

It is a happy number.

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, 71940837 + ... + 74952547.

It is an arithmetic number, because the mean of its divisors is an integer number (17595487650048).

Almost surely, 2^{221200210210012} is an apocalyptic number.

221200210210012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221200210210012 is a deficient number, since it is larger than the sum of its proper divisors (201091493391140).

221200210210012 is a wasteful number, since it uses less digits than its factorization.

221200210210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680969 (or 4680967 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221200210210012 its reverse (210012012002122), we get a palindrome (431212222212134).

The spelling of 221200210210012 in words is "two hundred twenty-one trillion, two hundred billion, two hundred ten million, two hundred ten thousand, twelve".