1316222242002 has 64 divisors (see below), whose sum is σ = 2964043584000. Its totient is φ = 432882762624.

The previous prime is 1316222242001. The next prime is 1316222242051. The reversal of 1316222242002 is 2002422226131.

1316222242002 is a `hidden beast` number, since 1 + 3 + 16 + 2 + 222 + 420 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1316222242001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6005524 + ... + 6220832.

It is an arithmetic number, because the mean of its divisors is an integer number (46313181000).

Almost surely, 2^{1316222242002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316222242002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482021792000).

1316222242002 is an abundant number, since it is smaller than the sum of its proper divisors (1647821341998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316222242002 is a wasteful number, since it uses less digits than its factorization.

1316222242002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216832 (or 216826 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1316222242002 its reverse (2002422226131), we get a palindrome (3318644468133).

The spelling of 1316222242002 in words is "one trillion, three hundred sixteen billion, two hundred twenty-two million, two hundred forty-two thousand, two".