212023203301121 has 16 divisors (see below), whose sum is σ = 223999936634880. Its totient is φ = 200291608854480.

The previous prime is 212023203301073. The next prime is 212023203301139. The reversal of 212023203301121 is 121103302320212.

It is a de Polignac number, because none of the positive numbers 2^k-212023203301121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212023203301421) 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, 173000435 + ... + 174221688.

It is an arithmetic number, because the mean of its divisors is an integer number (13999996039680).

Almost surely, 2^{212023203301121} is an apocalyptic number.

It is an amenable number.

212023203301121 is a deficient number, since it is larger than the sum of its proper divisors (11976733333759).

212023203301121 is a wasteful number, since it uses less digits than its factorization.

212023203301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347222476.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 212023203301121 its reverse (121103302320212), we get a palindrome (333126505621333).

The spelling of 212023203301121 in words is "two hundred twelve trillion, twenty-three billion, two hundred three million, three hundred one thousand, one hundred twenty-one".