211012221230312 has 32 divisors (see below), whose sum is σ = 395944700040000. Its totient is φ = 105426973943808.

The previous prime is 211012221230299. The next prime is 211012221230347. The reversal of 211012221230312 is 213032122210112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288637739 + ... + 289367877.

It is an arithmetic number, because the mean of its divisors is an integer number (12373271876250).

Almost surely, 2^{211012221230312} is an apocalyptic number.

It is an amenable number.

211012221230312 is a deficient number, since it is larger than the sum of its proper divisors (184932478809688).

211012221230312 is a wasteful number, since it uses less digits than its factorization.

211012221230312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757193 (or 757189 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 211012221230312 its reverse (213032122210112), we get a palindrome (424044343440424).

The spelling of 211012221230312 in words is "two hundred eleven trillion, twelve billion, two hundred twenty-one million, two hundred thirty thousand, three hundred twelve".