12211435253042 has 8 divisors (see below), whose sum is σ = 18317371522716. Its totient is φ = 6105644745472.

The previous prime is 12211435253011. The next prime is 12211435253063. The reversal of 12211435253042 is 24035253411221.

It can be written as a sum of positive squares in 2 ways, for example, as 11965172183041 + 246263070001 = 3459071^2 + 496249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12211435252993 and 12211435253011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36230843 + ... + 36566334.

Almost surely, 2^{12211435253042} is an apocalyptic number.

12211435253042 is a deficient number, since it is larger than the sum of its proper divisors (6105936269674).

12211435253042 is an equidigital number, since it uses as much as digits as its factorization.

12211435253042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72881052.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 12211435253042 its reverse (24035253411221), we get a palindrome (36246688664263).

The spelling of 12211435253042 in words is "twelve trillion, two hundred eleven billion, four hundred thirty-five million, two hundred fifty-three thousand, forty-two".