10000121120212 has 48 divisors (see below), whose sum is σ = 18971766741312. Its totient is φ = 4593781624320.

The previous prime is 10000121120201. The next prime is 10000121120219. The reversal of 10000121120212 is 21202112100001.

It is a junction number, because it is equal to n+sod(n) for n = 10000121120192 and 10000121120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000121120219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3940287 + ... + 5960377.

It is an arithmetic number, because the mean of its divisors is an integer number (395245140444).

Almost surely, 2^{10000121120212} is an apocalyptic number.

It is an amenable number.

10000121120212 is a deficient number, since it is larger than the sum of its proper divisors (8971645621100).

10000121120212 is a wasteful number, since it uses less digits than its factorization.

10000121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021848 (or 2021846 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10000121120212 its reverse (21202112100001), we get a palindrome (31202233220213).

The spelling of 10000121120212 in words is "ten trillion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".