1313012122 has 8 divisors (see below), whose sum is σ = 1969754400. Its totient is φ = 656427324.

The previous prime is 1313012101. The next prime is 1313012123. The reversal of 1313012122 is 2212103131.

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 = 1313012096 and 1313012105.

It is not an unprimeable number, because it can be changed into a prime (1313012123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15672 + ... + 53587.

It is an arithmetic number, because the mean of its divisors is an integer number (246219300).

Almost surely, 2^1313012122 is an apocalyptic number.

1313012122 is a deficient number, since it is larger than the sum of its proper divisors (656742278).

1313012122 is an equidigital number, since it uses as much as digits as its factorization.

1313012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78740.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1313012122 is about 36235.5091312376. The cubic root of 1313012122 is about 1095.0221695087.

Adding to 1313012122 its reverse (2212103131), we get a palindrome (3525115253).

It can be divided in two parts, 13130 and 12122, that added together give a palindrome (25252).

The spelling of 1313012122 in words is "one billion, three hundred thirteen million, twelve thousand, one hundred twenty-two".