10200121212212 has 48 divisors (see below), whose sum is σ = 18104770832400. Its totient is φ = 5027685949440.

The previous prime is 10200121212209. The next prime is 10200121212217. The reversal of 10200121212212 is 21221212100201.

It can be written as a sum of positive squares in 8 ways, for example, as 331953431716 + 9868167780496 = 576154^2 + 3141364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200121212217) 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, 281434412 + ... + 281470652.

It is an arithmetic number, because the mean of its divisors is an integer number (377182725675).

Almost surely, 2^{10200121212212} is an apocalyptic number.

It is an amenable number.

10200121212212 is a deficient number, since it is larger than the sum of its proper divisors (7904649620188).

10200121212212 is a wasteful number, since it uses less digits than its factorization.

10200121212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38676 (or 38674 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10200121212212 its reverse (21221212100201), we get a palindrome (31421333312413).

The spelling of 10200121212212 in words is "ten trillion, two hundred billion, one hundred twenty-one million, two hundred twelve thousand, two hundred twelve".