212144340012201 has 6 divisors (see below), whose sum is σ = 306430713350970. Its totient is φ = 141429560008128.

The previous prime is 212144340012193. The next prime is 212144340012239. The reversal of 212144340012201 is 102210043441212.

212144340012201 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 4 + 43 + 400 + 12 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140850634538601 + 71293705473600 = 11868051^2 + 8443560^2 .

It is not a de Polignac number, because 212144340012201 - 2³ = 212144340012193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212144340012701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11785796667336 + ... + 11785796667353.

It is an arithmetic number, because the mean of its divisors is an integer number (51071785558495).

Almost surely, 2^{212144340012201} is an apocalyptic number.

It is an amenable number.

212144340012201 is a deficient number, since it is larger than the sum of its proper divisors (94286373338769).

212144340012201 is a wasteful number, since it uses less digits than its factorization.

212144340012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23571593334695 (or 23571593334692 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 212144340012201 its reverse (102210043441212), we get a palindrome (314354383453413).

The spelling of 212144340012201 in words is "two hundred twelve trillion, one hundred forty-four billion, three hundred forty million, twelve thousand, two hundred one".