1310422121225 has 48 divisors (see below), whose sum is σ = 1878663091200. Its totient is φ = 888176854080.

The previous prime is 1310422121221. The next prime is 1310422121231. The reversal of 1310422121225 is 5221212240131.

It is not a de Polignac number, because 1310422121225 - 2² = 1310422121221 is a prime.

It is a super-2 number, since 2×1310422121225² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1310422121194 and 1310422121203.

It is not an unprimeable number, because it can be changed into a prime (1310422121221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5403116 + ... + 5640434.

It is an arithmetic number, because the mean of its divisors is an integer number (39138814400).

Almost surely, 2^{1310422121225} is an apocalyptic number.

It is an amenable number.

1310422121225 is a deficient number, since it is larger than the sum of its proper divisors (568240969975).

1310422121225 is a wasteful number, since it uses less digits than its factorization.

1310422121225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237702 (or 237697 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1310422121225 its reverse (5221212240131), we get a palindrome (6531634361356).

The spelling of 1310422121225 in words is "one trillion, three hundred ten billion, four hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-five".