4200121213223 has 16 divisors (see below), whose sum is σ = 4820995601856. Its totient is φ = 3624808665600.

The previous prime is 4200121213069. The next prime is 4200121213289. The reversal of 4200121213223 is 3223121210024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4200121213223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200121210223) 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, 62897336 + ... + 62964077.

It is an arithmetic number, because the mean of its divisors is an integer number (301312225116).

Almost surely, 2^{4200121213223} is an apocalyptic number.

4200121213223 is a deficient number, since it is larger than the sum of its proper divisors (620874388633).

4200121213223 is a wasteful number, since it uses less digits than its factorization.

4200121213223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125861594.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4200121213223 its reverse (3223121210024), we get a palindrome (7423242423247).

The spelling of 4200121213223 in words is "four trillion, two hundred billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-three".