13012312220234 has 16 divisors (see below), whose sum is σ = 20671144931016. Its totient is φ = 6122098406400.

The previous prime is 13012312220227. The next prime is 13012312220239. The reversal of 13012312220234 is 43202221321031.

It can be written as a sum of positive squares in 4 ways, for example, as 10259689455625 + 2752622764609 = 3203075^2 + 1659103^2 .

It is not an unprimeable number, because it can be changed into a prime (13012312220239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41800097 + ... + 42110244.

Almost surely, 2^{13012312220234} is an apocalyptic number.

13012312220234 is a deficient number, since it is larger than the sum of its proper divisors (7658832710782).

13012312220234 is a wasteful number, since it uses less digits than its factorization.

13012312220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83914921.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13012312220234 its reverse (43202221321031), we get a palindrome (56214533541265).

The spelling of 13012312220234 in words is "thirteen trillion, twelve billion, three hundred twelve million, two hundred twenty thousand, two hundred thirty-four".