20121232034 has 8 divisors (see below), whose sum is σ = 30997573788. Its totient is φ = 9788707440.

The previous prime is 20121232007. The next prime is 20121232039. The reversal of 20121232034 is 43023212102.

It can be written as a sum of positive squares in 2 ways, for example, as 18891677809 + 1229554225 = 137447^2 + 35065^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20121231997 and 20121232015.

It is not an unprimeable number, because it can be changed into a prime (20121232039) 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, 135954197 + ... + 135954344.

Almost surely, 2^20121232034 is an apocalyptic number.

20121232034 is a deficient number, since it is larger than the sum of its proper divisors (10876341754).

20121232034 is a wasteful number, since it uses less digits than its factorization.

20121232034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271908580.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20121232034 its reverse (43023212102), we get a palindrome (63144444136).

The spelling of 20121232034 in words is "twenty billion, one hundred twenty-one million, two hundred thirty-two thousand, thirty-four".