10001220100212 has 72 divisors (see below), whose sum is σ = 26535012688800. Its totient is φ = 2926166788160.

The previous prime is 10001220100177. The next prime is 10001220100283. The reversal of 10001220100212 is 21200102210001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118714662 + ... + 118798877.

It is an arithmetic number, because the mean of its divisors is an integer number (368541842900).

Almost surely, 2^{10001220100212} is an apocalyptic number.

10001220100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10001220100212 is an abundant number, since it is smaller than the sum of its proper divisors (16533792588588).

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

10001220100212 is a wasteful number, since it uses less digits than its factorization.

10001220100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237513597 (or 237513584 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10001220100212 its reverse (21200102210001), we get a palindrome (31201322310213).

The spelling of 10001220100212 in words is "ten trillion, one billion, two hundred twenty million, one hundred thousand, two hundred twelve".