4123121213211 has 128 divisors (see below), whose sum is σ = 7703369533440. Its totient is φ = 1892046643200.

The previous prime is 4123121213207. The next prime is 4123121213243. The reversal of 4123121213211 is 1123121213214.

It is not a de Polignac number, because 4123121213211 - 2² = 4123121213207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4123121213111) 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, 9631341 + ... + 10050321.

It is an arithmetic number, because the mean of its divisors is an integer number (60182574480).

Almost surely, 2^{4123121213211} is an apocalyptic number.

4123121213211 is a deficient number, since it is larger than the sum of its proper divisors (3580248320229).

4123121213211 is a wasteful number, since it uses less digits than its factorization.

4123121213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419157.

The product of its digits is 576, while the sum is 24.

Adding to 4123121213211 its reverse (1123121213214), we get a palindrome (5246242426425).

The spelling of 4123121213211 in words is "four trillion, one hundred twenty-three billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred eleven".