1312112101222 has 32 divisors (see below), whose sum is σ = 2143563337440. Its totient is φ = 598734892800.

The previous prime is 1312112101207. The next prime is 1312112101231. The reversal of 1312112101222 is 2221012112131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312112101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47013472 + ... + 47041372.

It is an arithmetic number, because the mean of its divisors is an integer number (66986354295).

Almost surely, 2^{1312112101222} is an apocalyptic number.

1312112101222 is a deficient number, since it is larger than the sum of its proper divisors (831451236218).

1312112101222 is a wasteful number, since it uses less digits than its factorization.

1312112101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48328.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1312112101222 its reverse (2221012112131), we get a palindrome (3533124213353).

The spelling of 1312112101222 in words is "one trillion, three hundred twelve billion, one hundred twelve million, one hundred one thousand, two hundred twenty-two".