1312123033101 has 8 divisors (see below), whose sum is σ = 1749570756480. Its totient is φ = 874711999232.

The previous prime is 1312123033037. The next prime is 1312123033103. The reversal of 1312123033101 is 1013303212131.

It is a happy number.

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 1312123033101 - 2⁶ = 1312123033037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312123033103) 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, 9088821 + ... + 9232058.

It is an arithmetic number, because the mean of its divisors is an integer number (218696344560).

Almost surely, 2^{1312123033101} is an apocalyptic number.

It is an amenable number.

1312123033101 is a deficient number, since it is larger than the sum of its proper divisors (437447723379).

1312123033101 is a wasteful number, since it uses less digits than its factorization.

1312123033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344755.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1312123033101 its reverse (1013303212131), we get a palindrome (2325426245232).

The spelling of 1312123033101 in words is "one trillion, three hundred twelve billion, one hundred twenty-three million, thirty-three thousand, one hundred one".