212100001201011 has 128 divisors (see below), whose sum is σ = 382995438206976. Its totient is φ = 101047679815680.

The previous prime is 212100001201007. The next prime is 212100001201051. The reversal of 212100001201011 is 110102100001212.

It is not a de Polignac number, because 212100001201011 - 2² = 212100001201007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212100001201051) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19336630 + ... + 28250756.

It is an arithmetic number, because the mean of its divisors is an integer number (2992151860992).

Almost surely, 2^{212100001201011} is an apocalyptic number.

212100001201011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212100001201011 is a deficient number, since it is larger than the sum of its proper divisors (170895437005965).

212100001201011 is a wasteful number, since it uses less digits than its factorization.

212100001201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914321.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212100001201011 its reverse (110102100001212), we get a palindrome (322202101202223).

The spelling of 212100001201011 in words is "two hundred twelve trillion, one hundred billion, one million, two hundred one thousand, eleven".