211201001212010 has 64 divisors (see below), whose sum is σ = 389118524983200. Its totient is φ = 82505293258752.

The previous prime is 211201001211997. The next prime is 211201001212051. The reversal of 211201001212010 is 10212100102112.

It can be written as a sum of positive squares in 16 ways, for example, as 6637120740121 + 204563880471889 = 2576261^2 + 14302583^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147418406 + ... + 148844174.

Almost surely, 2^{211201001212010} is an apocalyptic number.

211201001212010 is a deficient number, since it is larger than the sum of its proper divisors (177917523771190).

211201001212010 is a wasteful number, since it uses less digits than its factorization.

211201001212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427115.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211201001212010 its reverse (10212100102112), we get a palindrome (221413101314122).

The spelling of 211201001212010 in words is "two hundred eleven trillion, two hundred one billion, one million, two hundred twelve thousand, ten".