12312001101 has 16 divisors (see below), whose sum is σ = 16964101440. Its totient is φ = 7937731200.

The previous prime is 12312001061. The next prime is 12312001109. The reversal of 12312001101 is 10110021321.

It is not a de Polignac number, because 12312001101 - 2⁷ = 12312000973 is a prime.

It is a super-2 number, since 2×12312001101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312001109) 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, 459456 + ... + 485513.

It is an arithmetic number, because the mean of its divisors is an integer number (1060256340).

Almost surely, 2^12312001101 is an apocalyptic number.

It is an amenable number.

12312001101 is a deficient number, since it is larger than the sum of its proper divisors (4652100339).

12312001101 is a wasteful number, since it uses less digits than its factorization.

12312001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945116.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12312001101 its reverse (10110021321), we get a palindrome (22422022422).

The spelling of 12312001101 in words is "twelve billion, three hundred twelve million, one thousand, one hundred one".