101220321001312 has 48 divisors (see below), whose sum is σ = 202173329462832. Its totient is φ = 49875852902400.

The previous prime is 101220321001237. The next prime is 101220321001367. The reversal of 101220321001312 is 213100123022101.

It is a self number, because there is not a number n which added to its sum of digits gives 101220321001312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14959314 + ... + 20645137.

It is an arithmetic number, because the mean of its divisors is an integer number (4211944363809).

Almost surely, 2^{101220321001312} is an apocalyptic number.

It is an amenable number.

101220321001312 is a deficient number, since it is larger than the sum of its proper divisors (100953008461520).

101220321001312 is a wasteful number, since it uses less digits than its factorization.

101220321001312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35605751 (or 35605743 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101220321001312 its reverse (213100123022101), we get a palindrome (314320444023413).

The spelling of 101220321001312 in words is "one hundred one trillion, two hundred twenty billion, three hundred twenty-one million, one thousand, three hundred twelve".