1341232121242 has 16 divisors (see below), whose sum is σ = 2260805984640. Its totient is φ = 592115852592.

The previous prime is 1341232121237. The next prime is 1341232121249. The reversal of 1341232121242 is 2421212321431.

It is a self number, because there is not a number n which added to its sum of digits gives 1341232121242.

It is not an unprimeable number, because it can be changed into a prime (1341232121249) 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, 1121430942 + ... + 1121432137.

It is an arithmetic number, because the mean of its divisors is an integer number (141300374040).

Almost surely, 2^{1341232121242} is an apocalyptic number.

1341232121242 is a deficient number, since it is larger than the sum of its proper divisors (919573863398).

1341232121242 is a wasteful number, since it uses less digits than its factorization.

1341232121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242863117.

The product of its digits is 4608, while the sum is 28.

Adding to 1341232121242 its reverse (2421212321431), we get a palindrome (3762444442673).

The spelling of 1341232121242 in words is "one trillion, three hundred forty-one billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred forty-two".