1312222223097 has 6 divisors (see below), whose sum is σ = 1895432100042. Its totient is φ = 874814815392.

The previous prime is 1312222223083. The next prime is 1312222223101. The reversal of 1312222223097 is 7903222222131.

1312222223097 is a `hidden beast` number, since 1 + 3 + 122 + 2 + 222 + 309 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1300338824976 + 11883398121 = 1140324^2 + 109011^2 .

It is not a de Polignac number, because 1312222223097 - 2⁶ = 1312222223033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312222222097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72901234608 + ... + 72901234625.

It is an arithmetic number, because the mean of its divisors is an integer number (315905350007).

Almost surely, 2^{1312222223097} is an apocalyptic number.

It is an amenable number.

1312222223097 is a deficient number, since it is larger than the sum of its proper divisors (583209876945).

1312222223097 is a wasteful number, since it uses less digits than its factorization.

1312222223097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145802469239 (or 145802469236 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 1312222223097 in words is "one trillion, three hundred twelve billion, two hundred twenty-two million, two hundred twenty-three thousand, ninety-seven".