1323212100101 has 16 divisors (see below), whose sum is σ = 1346664694848. Its totient is φ = 1299817584000.

The previous prime is 1323212100053. The next prime is 1323212100107. The reversal of 1323212100101 is 1010012123231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323212100101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323212100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323212100107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184364825 + ... + 184372001.

It is an arithmetic number, because the mean of its divisors is an integer number (84166543428).

Almost surely, 2^{1323212100101} is an apocalyptic number.

It is an amenable number.

1323212100101 is a deficient number, since it is larger than the sum of its proper divisors (23452594747).

1323212100101 is a wasteful number, since it uses less digits than its factorization.

1323212100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10772.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1323212100101 its reverse (1010012123231), we get a palindrome (2333224223332).

The spelling of 1323212100101 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred thousand, one hundred one".