221211010200012 has 48 divisors (see below), whose sum is σ = 589901360778240. Its totient is φ = 63202574316672.

The previous prime is 221211010199989. The next prime is 221211010200029. The reversal of 221211010200012 is 210002010112122.

It is a super-2 number, since 2×221211010200012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221211010199964 and 221211010200000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515753 + ... + 21183744.

It is an arithmetic number, because the mean of its divisors is an integer number (12289611682880).

Almost surely, 2^{221211010200012} is an apocalyptic number.

It is an amenable number.

221211010200012 is an abundant number, since it is smaller than the sum of its proper divisors (368690350578228).

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

221211010200012 is a wasteful number, since it uses less digits than its factorization.

221211010200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810630 (or 23810628 counting only the distinct ones).

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

Adding to 221211010200012 its reverse (210002010112122), we get a palindrome (431213020312134).

The spelling of 221211010200012 in words is "two hundred twenty-one trillion, two hundred eleven billion, ten million, two hundred thousand, twelve".