12231402034 has 4 divisors (see below), whose sum is σ = 18347103054. Its totient is φ = 6115701016.

The previous prime is 12231402031. The next prime is 12231402061. The reversal of 12231402034 is 43020413221.

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

It can be written as a sum of positive squares in only one way, i.e., 9447256809 + 2784145225 = 97197^2 + 52765^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12231401996 and 12231402014.

It is not an unprimeable number, because it can be changed into a prime (12231402031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057850507 + ... + 3057850510.

Almost surely, 2^12231402034 is an apocalyptic number.

12231402034 is a deficient number, since it is larger than the sum of its proper divisors (6115701020).

12231402034 is an equidigital number, since it uses as much as digits as its factorization.

12231402034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115701019.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12231402034 its reverse (43020413221), we get a palindrome (55251815255).

The spelling of 12231402034 in words is "twelve billion, two hundred thirty-one million, four hundred two thousand, thirty-four".