10010202121012 has 6 divisors (see below), whose sum is σ = 17517853711778. Its totient is φ = 5005101060504.

The previous prime is 10010202121001. The next prime is 10010202121021. The reversal of 10010202121012 is 21012120201001.

It can be written as a sum of positive squares in only one way, i.e., 9747408503056 + 262793617956 = 3122084^2 + 512634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10010202120983 and 10010202121001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251275265123 + ... + 1251275265130.

Almost surely, 2^{10010202121012} is an apocalyptic number.

It is an amenable number.

10010202121012 is a deficient number, since it is larger than the sum of its proper divisors (7507651590766).

10010202121012 is a wasteful number, since it uses less digits than its factorization.

10010202121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502550530257 (or 2502550530255 counting only the distinct ones).

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

Adding to 10010202121012 its reverse (21012120201001), we get a palindrome (31022322322013).

The spelling of 10010202121012 in words is "ten trillion, ten billion, two hundred two million, one hundred twenty-one thousand, twelve".