10212220001218 has 16 divisors (see below), whose sum is σ = 16124730541920. Its totient is φ = 4837315575456.

The previous prime is 10212220001117. The next prime is 10212220001219. The reversal of 10212220001218 is 81210002221201.

It is not an unprimeable number, because it can be changed into a prime (10212220001219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282046 + ... + 5062822.

It is an arithmetic number, because the mean of its divisors is an integer number (1007795658870).

Almost surely, 2^{10212220001218} is an apocalyptic number.

10212220001218 is a deficient number, since it is larger than the sum of its proper divisors (5912510540702).

10212220001218 is a wasteful number, since it uses less digits than its factorization.

10212220001218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877441.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 10212220001218 its reverse (81210002221201), we get a palindrome (91422222222419).

The spelling of 10212220001218 in words is "ten trillion, two hundred twelve billion, two hundred twenty million, one thousand, two hundred eighteen".