34001233121 has 4 divisors (see below), whose sum is σ = 34022877744. Its totient is φ = 33979588500.

The previous prime is 34001233111. The next prime is 34001233127. The reversal of 34001233121 is 12133210043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12133210043 = 487 ⋅24914189.

It is a cyclic number.

It is not a de Polignac number, because 34001233121 - 2³⁰ = 32927491297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34001233093 and 34001233102.

It is not an unprimeable number, because it can be changed into a prime (34001233127) 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, 10819955 + ... + 10823096.

It is an arithmetic number, because the mean of its divisors is an integer number (8505719436).

Almost surely, 2^34001233121 is an apocalyptic number.

It is an amenable number.

34001233121 is a deficient number, since it is larger than the sum of its proper divisors (21644623).

34001233121 is a wasteful number, since it uses less digits than its factorization.

34001233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644622.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 34001233121 its reverse (12133210043), we get a palindrome (46134443164).

The spelling of 34001233121 in words is "thirty-four billion, one million, two hundred thirty-three thousand, one hundred twenty-one".