10220010121012 has 24 divisors (see below), whose sum is σ = 18187941497096. Its totient is φ = 5023902693888.

The previous prime is 10220010121007. The next prime is 10220010121019. The reversal of 10220010121012 is 21012101002201.

It can be written as a sum of positive squares in 4 ways, for example, as 1581089967396 + 8638920153616 = 1257414^2 + 2939204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10220010120983 and 10220010121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220010121019) 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, 55819203 + ... + 56001994.

Almost surely, 2^{10220010121012} is an apocalyptic number.

It is an amenable number.

10220010121012 is a deficient number, since it is larger than the sum of its proper divisors (7967931376084).

10220010121012 is a wasteful number, since it uses less digits than its factorization.

10220010121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111821587 (or 111821585 counting only the distinct ones).

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

Adding to 10220010121012 its reverse (21012101002201), we get a palindrome (31232111123213).

The spelling of 10220010121012 in words is "ten trillion, two hundred twenty billion, ten million, one hundred twenty-one thousand, twelve".