13212041440042 has 4 divisors (see below), whose sum is σ = 19818062160066. Its totient is φ = 6606020720020.

The previous prime is 13212041439973. The next prime is 13212041440051. The reversal of 13212041440042 is 24004414021231.

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., 10387722554001 + 2824318886041 = 3222999^2 + 1680571^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303010360009 + ... + 3303010360012.

Almost surely, 2^{13212041440042} is an apocalyptic number.

13212041440042 is a deficient number, since it is larger than the sum of its proper divisors (6606020720024).

13212041440042 is an equidigital number, since it uses as much as digits as its factorization.

13212041440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6606020720023.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 13212041440042 its reverse (24004414021231), we get a palindrome (37216455461273).

The spelling of 13212041440042 in words is "thirteen trillion, two hundred twelve billion, forty-one million, four hundred forty thousand, forty-two".