13154314211222 has 4 divisors (see below), whose sum is σ = 19731471316836. Its totient is φ = 6577157105610.

The previous prime is 13154314211219. The next prime is 13154314211231. The reversal of 13154314211222 is 22211241345131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288578552804 + ... + 3288578552807.

It is an arithmetic number, because the mean of its divisors is an integer number (4932867829209).

Almost surely, 2^{13154314211222} is an apocalyptic number.

13154314211222 is a deficient number, since it is larger than the sum of its proper divisors (6577157105614).

13154314211222 is an equidigital number, since it uses as much as digits as its factorization.

13154314211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577157105613.

The product of its digits is 11520, while the sum is 32.

Adding to 13154314211222 its reverse (22211241345131), we get a palindrome (35365555556353).

The spelling of 13154314211222 in words is "thirteen trillion, one hundred fifty-four billion, three hundred fourteen million, two hundred eleven thousand, two hundred twenty-two".