100012011212 has 6 divisors (see below), whose sum is σ = 175021019628. Its totient is φ = 50006005604.

The previous prime is 100012011193. The next prime is 100012011271. The reversal of 100012011212 is 212110210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012011193 and 100012011202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501501398 + ... + 12501501405.

It is an arithmetic number, because the mean of its divisors is an integer number (29170169938).

Almost surely, 2^100012011212 is an apocalyptic number.

It is an amenable number.

100012011212 is a deficient number, since it is larger than the sum of its proper divisors (75009008416).

100012011212 is a wasteful number, since it uses less digits than its factorization.

100012011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003002807 (or 25003002805 counting only the distinct ones).

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

Adding to 100012011212 its reverse (212110210001), we get a palindrome (312122221213).

The spelling of 100012011212 in words is "one hundred billion, twelve million, eleven thousand, two hundred twelve".