101220313312 has 12 divisors (see below), whose sum is σ = 199277491896. Its totient is φ = 50610156640.

The previous prime is 101220313283. The next prime is 101220313321. The reversal of 101220313312 is 213313022101.

It is a self number, because there is not a number n which added to its sum of digits gives 101220313312.

It is a congruent number.

It is an unprimeable number.

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, 1581567364 + ... + 1581567427.

It is an arithmetic number, because the mean of its divisors is an integer number (16606457658).

Almost surely, 2^101220313312 is an apocalyptic number.

It is an amenable number.

101220313312 is a deficient number, since it is larger than the sum of its proper divisors (98057178584).

101220313312 is an equidigital number, since it uses as much as digits as its factorization.

101220313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163134801 (or 3163134793 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 101220313312 its reverse (213313022101), we get a palindrome (314533335413).

The spelling of 101220313312 in words is "one hundred one billion, two hundred twenty million, three hundred thirteen thousand, three hundred twelve".