201212211133123 has 8 divisors (see below), whose sum is σ = 201234909328992. Its totient is φ = 201189514110336.

The previous prime is 201212211133121. The next prime is 201212211133127. The reversal of 201212211133123 is 321331112212102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201212211133123 - 2¹ = 201212211133121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201212211133121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368506411 + ... + 369052027.

It is an arithmetic number, because the mean of its divisors is an integer number (25154363666124).

Almost surely, 2^{201212211133123} is an apocalyptic number.

201212211133123 is a deficient number, since it is larger than the sum of its proper divisors (22698195869).

201212211133123 is a wasteful number, since it uses less digits than its factorization.

201212211133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586541.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 201212211133123 its reverse (321331112212102), we get a palindrome (522543323345225).

The spelling of 201212211133123 in words is "two hundred one trillion, two hundred twelve billion, two hundred eleven million, one hundred thirty-three thousand, one hundred twenty-three".