10001022120212 has 24 divisors (see below), whose sum is σ = 18554212230120. Its totient is φ = 4700545817600.

The previous prime is 10001022120181. The next prime is 10001022120227. The reversal of 10001022120212 is 21202122010001.

It can be written as a sum of positive squares in 4 ways, for example, as 4436263787536 + 5564758332676 = 2106244^2 + 2358974^2 .

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, 90843539 + ... + 90953562.

It is an arithmetic number, because the mean of its divisors is an integer number (773092176255).

Almost surely, 2^{10001022120212} is an apocalyptic number.

It is an amenable number.

10001022120212 is a deficient number, since it is larger than the sum of its proper divisors (8553190109908).

10001022120212 is a wasteful number, since it uses less digits than its factorization.

10001022120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181797931 (or 181797929 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10001022120212 its reverse (21202122010001), we get a palindrome (31203144130213).

The spelling of 10001022120212 in words is "ten trillion, one billion, twenty-two million, one hundred twenty thousand, two hundred twelve".