10200112021012 has 6 divisors (see below), whose sum is σ = 17850196036778. Its totient is φ = 5100056010504.

The previous prime is 10200112021009. The next prime is 10200112021013. The reversal of 10200112021012 is 21012021100201.

It can be written as a sum of positive squares in only one way, i.e., 5713696631556 + 4486415389456 = 2390334^2 + 2118116^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10200112020983 and 10200112021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200112021013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275014002623 + ... + 1275014002630.

Almost surely, 2^{10200112021012} is an apocalyptic number.

It is an amenable number.

10200112021012 is a deficient number, since it is larger than the sum of its proper divisors (7650084015766).

10200112021012 is a wasteful number, since it uses less digits than its factorization.

10200112021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550028005257 (or 2550028005255 counting only the distinct ones).

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

Adding to 10200112021012 its reverse (21012021100201), we get a palindrome (31212133121213).

The spelling of 10200112021012 in words is "ten trillion, two hundred billion, one hundred twelve million, twenty-one thousand, twelve".