100320123011312 has 40 divisors (see below), whose sum is σ = 194423852542800. Its totient is φ = 50146227436032.

The previous prime is 100320123011287. The next prime is 100320123011347. The reversal of 100320123011312 is 213110321023001.

It is a happy number.

It is a super-2 number, since 2×100320123011312² (a number of 29 digits) contains 22 as substring.

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, 1011864239 + ... + 1011963377.

It is an arithmetic number, because the mean of its divisors is an integer number (4860596313570).

Almost surely, 2^{100320123011312} is an apocalyptic number.

It is an amenable number.

100320123011312 is a deficient number, since it is larger than the sum of its proper divisors (94103729531488).

100320123011312 is a wasteful number, since it uses less digits than its factorization.

100320123011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115953 (or 115947 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 100320123011312 its reverse (213110321023001), we get a palindrome (313430444034313).

The spelling of 100320123011312 in words is "one hundred trillion, three hundred twenty billion, one hundred twenty-three million, eleven thousand, three hundred twelve".