212120211011201 has 16 divisors (see below), whose sum is σ = 220618693392000. Its totient is φ = 203701420315008.

The previous prime is 212120211011183. The next prime is 212120211011227. The reversal of 212120211011201 is 102110112021212.

It is a cyclic number.

It is not a de Polignac number, because 212120211011201 - 2¹⁰ = 212120211010177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212120211011201.

It is not an unprimeable number, because it can be changed into a prime (212120211011231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8882630 + ... + 22430816.

It is an arithmetic number, because the mean of its divisors is an integer number (13788668337000).

Almost surely, 2^{212120211011201} is an apocalyptic number.

It is an amenable number.

212120211011201 is a deficient number, since it is larger than the sum of its proper divisors (8498482380799).

212120211011201 is a wasteful number, since it uses less digits than its factorization.

212120211011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13551128.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212120211011201 its reverse (102110112021212), we get a palindrome (314230323032413).

The spelling of 212120211011201 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred eleven million, eleven thousand, two hundred one".