1313121223006 has 4 divisors (see below), whose sum is σ = 1969681834512. Its totient is φ = 656560611502.

The previous prime is 1313121222997. The next prime is 1313121223033. The reversal of 1313121223006 is 6003221213131.

It is a happy number.

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, 328280305750 + ... + 328280305753.

It is an arithmetic number, because the mean of its divisors is an integer number (492420458628).

Almost surely, 2^{1313121223006} is an apocalyptic number.

1313121223006 is a deficient number, since it is larger than the sum of its proper divisors (656560611506).

1313121223006 is an equidigital number, since it uses as much as digits as its factorization.

1313121223006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656560611505.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1313121223006 its reverse (6003221213131), we get a palindrome (7316342436137).

The spelling of 1313121223006 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twenty-three thousand, six".