100012200212 has 6 divisors (see below), whose sum is σ = 175021350378. Its totient is φ = 50006100104.

The previous prime is 100012200199. The next prime is 100012200221. The reversal of 100012200212 is 212002210001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71073427216 + 28938772996 = 266596^2 + 170114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100012200193 and 100012200202.

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, 12501525023 + ... + 12501525030.

It is an arithmetic number, because the mean of its divisors is an integer number (29170225063).

Almost surely, 2^100012200212 is an apocalyptic number.

It is an amenable number.

100012200212 is a deficient number, since it is larger than the sum of its proper divisors (75009150166).

100012200212 is a wasteful number, since it uses less digits than its factorization.

100012200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25003050057 (or 25003050055 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100012200212 its reverse (212002210001), we get a palindrome (312014410213).

The spelling of 100012200212 in words is "one hundred billion, twelve million, two hundred thousand, two hundred twelve".