10200111212 has 12 divisors (see below), whose sum is σ = 17851392720. Its totient is φ = 5099713296.

The previous prime is 10200111211. The next prime is 10200111239. The reversal of 10200111212 is 21211100201.

It is a junction number, because it is equal to n+sod(n) for n = 10200111193 and 10200111202.

It is not an unprimeable number, because it can be changed into a prime (10200111211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11387 + ... + 143282.

It is an arithmetic number, because the mean of its divisors is an integer number (1487616060).

Almost surely, 2^10200111212 is an apocalyptic number.

It is an amenable number.

10200111212 is a deficient number, since it is larger than the sum of its proper divisors (7651281508).

10200111212 is a wasteful number, since it uses less digits than its factorization.

10200111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171160 (or 171158 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10200111212 its reverse (21211100201), we get a palindrome (31411211413).

The spelling of 10200111212 in words is "ten billion, two hundred million, one hundred eleven thousand, two hundred twelve".