1234032412021 has 4 divisors (see below), whose sum is σ = 1234493390572. Its totient is φ = 1233571433472.

The previous prime is 1234032411907. The next prime is 1234032412027. The reversal of 1234032412021 is 1202142304321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38224551121 + 1195807860900 = 195511^2 + 1093530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234032412021 - 2¹⁹ = 1234031887733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234032412027) 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, 230485260 + ... + 230490613.

It is an arithmetic number, because the mean of its divisors is an integer number (308623347643).

Almost surely, 2^{1234032412021} is an apocalyptic number.

It is an amenable number.

1234032412021 is a deficient number, since it is larger than the sum of its proper divisors (460978551).

1234032412021 is an equidigital number, since it uses as much as digits as its factorization.

1234032412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460978550.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1234032412021 its reverse (1202142304321), we get a palindrome (2436174716342).

The spelling of 1234032412021 in words is "one trillion, two hundred thirty-four billion, thirty-two million, four hundred twelve thousand, twenty-one".