220021212110012 has 6 divisors (see below), whose sum is σ = 385037121192528. Its totient is φ = 110010606055004.

The previous prime is 220021212109961. The next prime is 220021212110023. The reversal of 220021212110012 is 210011212120022.

220021212110012 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 2×220021212110012² (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 as a sum of consecutive naturals, namely, 27502651513748 + ... + 27502651513755.

It is an arithmetic number, because the mean of its divisors is an integer number (64172853532088).

Almost surely, 2^{220021212110012} is an apocalyptic number.

It is an amenable number.

220021212110012 is a deficient number, since it is larger than the sum of its proper divisors (165015909082516).

220021212110012 is a wasteful number, since it uses less digits than its factorization.

220021212110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005303027507 (or 55005303027505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220021212110012 its reverse (210011212120022), we get a palindrome (430032424230034).

The spelling of 220021212110012 in words is "two hundred twenty trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, twelve".