101210440312 has 8 divisors (see below), whose sum is σ = 189769575600. Its totient is φ = 50605220152.

The previous prime is 101210440291. The next prime is 101210440319. The reversal of 101210440312 is 213044012101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×101210440312³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101210440312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210440319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325652512 + ... + 6325652527.

It is an arithmetic number, because the mean of its divisors is an integer number (23721196950).

Almost surely, 2^101210440312 is an apocalyptic number.

It is an amenable number.

101210440312 is a deficient number, since it is larger than the sum of its proper divisors (88559135288).

101210440312 is a wasteful number, since it uses less digits than its factorization.

101210440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651305045 (or 12651305041 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 101210440312 its reverse (213044012101), we get a palindrome (314254452413).

The spelling of 101210440312 in words is "one hundred one billion, two hundred ten million, four hundred forty thousand, three hundred twelve".