1313121212222 has 8 divisors (see below), whose sum is σ = 1969690236696. Its totient is φ = 656557799992.

The previous prime is 1313121212177. The next prime is 1313121212239. The reversal of 1313121212222 is 2222121213131.

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

It is a congruent number.

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, 758993 + ... + 1789500.

It is an arithmetic number, because the mean of its divisors is an integer number (246211279587).

Almost surely, 2^{1313121212222} is an apocalyptic number.

1313121212222 is a deficient number, since it is larger than the sum of its proper divisors (656569024474).

1313121212222 is a wasteful number, since it uses less digits than its factorization.

1313121212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806122.

The product of its digits is 576, while the sum is 23.

Adding to 1313121212222 its reverse (2222121213131), we get a palindrome (3535242425353).

Subtracting 1313121212222 from its reverse (2222121213131), we obtain a palindrome (909000000909).

The spelling of 1313121212222 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twelve thousand, two hundred twenty-two".