1312123022101 has 8 divisors (see below), whose sum is σ = 1344636148544. Its totient is φ = 1279990166400.

The previous prime is 1312123022087. The next prime is 1312123022117. The reversal of 1312123022101 is 1012203212131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312123022101 - 2¹³ = 1312123013909 is a prime.

It is a super-2 number, since 2×1312123022101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312123022201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95060700 + ... + 95074501.

It is an arithmetic number, because the mean of its divisors is an integer number (168079518568).

Almost surely, 2^{1312123022101} is an apocalyptic number.

It is an amenable number.

1312123022101 is a deficient number, since it is larger than the sum of its proper divisors (32513126443).

1312123022101 is a wasteful number, since it uses less digits than its factorization.

1312123022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190135371.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1312123022101 its reverse (1012203212131), we get a palindrome (2324326234232).

The spelling of 1312123022101 in words is "one trillion, three hundred twelve billion, one hundred twenty-three million, twenty-two thousand, one hundred one".