1212303201101 has 8 divisors (see below), whose sum is σ = 1214401446720. Its totient is φ = 1210205138112.

The previous prime is 1212303201077. The next prime is 1212303201107. The reversal of 1212303201101 is 1011023032121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212303201101 is a prime.

It is a super-2 number, since 2×1212303201101² (a number of 25 digits) contains 22 as substring.

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 1212303201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212303201107) 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, 24714866 + ... + 24763868.

It is an arithmetic number, because the mean of its divisors is an integer number (151800180840).

Almost surely, 2^{1212303201101} is an apocalyptic number.

It is an amenable number.

1212303201101 is a deficient number, since it is larger than the sum of its proper divisors (2098245619).

1212303201101 is an equidigital number, since it uses as much as digits as its factorization.

1212303201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91315.

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

Adding to 1212303201101 its reverse (1011023032121), we get a palindrome (2223326233222).

The spelling of 1212303201101 in words is "one trillion, two hundred twelve billion, three hundred three million, two hundred one thousand, one hundred one".