434200312121 has 4 divisors (see below), whose sum is σ = 434201670132. Its totient is φ = 434198954112.

The previous prime is 434200312087. The next prime is 434200312219. The reversal of 434200312121 is 121213002434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 76638170896 + 357562141225 = 276836^2 + 597965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434200312121 is a prime.

It is a super-2 number, since 2×434200312121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (434200317121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93725 + ... + 936581.

It is an arithmetic number, because the mean of its divisors is an integer number (108550417533).

Almost surely, 2^434200312121 is an apocalyptic number.

It is an amenable number.

434200312121 is a deficient number, since it is larger than the sum of its proper divisors (1358011).

434200312121 is an equidigital number, since it uses as much as digits as its factorization.

434200312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358010.

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

Adding to 434200312121 its reverse (121213002434), we get a palindrome (555413314555).

The spelling of 434200312121 in words is "four hundred thirty-four billion, two hundred million, three hundred twelve thousand, one hundred twenty-one".