211001213203012 has 12 divisors (see below), whose sum is σ = 378258272449596. Its totient is φ = 102927421074560.

The previous prime is 211001213203009. The next prime is 211001213203057. The reversal of 211001213203012 is 210302312100112.

It can be written as a sum of positive squares in 2 ways, for example, as 62908279812676 + 148092933390336 = 7931474^2 + 12169344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643296381553 + ... + 643296381880.

It is an arithmetic number, because the mean of its divisors is an integer number (31521522704133).

Almost surely, 2^{211001213203012} is an apocalyptic number.

It is an amenable number.

211001213203012 is a deficient number, since it is larger than the sum of its proper divisors (167257059246584).

211001213203012 is a wasteful number, since it uses less digits than its factorization.

211001213203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286592763478 (or 1286592763476 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 211001213203012 its reverse (210302312100112), we get a palindrome (421303525303124).

The spelling of 211001213203012 in words is "two hundred eleven trillion, one billion, two hundred thirteen million, two hundred three thousand, twelve".