1312223202101 has 24 divisors (see below), whose sum is σ = 1548128707776. Its totient is φ = 1108802466240.

The previous prime is 1312223202097. The next prime is 1312223202127. The reversal of 1312223202101 is 1012023222131.

It is not a de Polignac number, because 1312223202101 - 2² = 1312223202097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312223201101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51292025 + ... + 51317601.

It is an arithmetic number, because the mean of its divisors is an integer number (64505362824).

Almost surely, 2^{1312223202101} is an apocalyptic number.

It is an amenable number.

1312223202101 is a deficient number, since it is larger than the sum of its proper divisors (235905505675).

1312223202101 is a wasteful number, since it uses less digits than its factorization.

1312223202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40409 (or 40402 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1312223202101 its reverse (1012023222131), we get a palindrome (2324246424232).

The spelling of 1312223202101 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, two hundred two thousand, one hundred one".