101320023012 has 24 divisors (see below), whose sum is σ = 254599032576. Its totient is φ = 31175391648.

The previous prime is 101320022989. The next prime is 101320023043. The reversal of 101320023012 is 210320023101.

It is a junction number, because it is equal to n+sod(n) for n = 101320022982 and 101320023000.

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, 324743508 + ... + 324743819.

It is an arithmetic number, because the mean of its divisors is an integer number (10608293024).

Almost surely, 2^101320023012 is an apocalyptic number.

101320023012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101320023012 is an abundant number, since it is smaller than the sum of its proper divisors (153279009564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101320023012 is a wasteful number, since it uses less digits than its factorization.

101320023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649487347 (or 649487345 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 101320023012 its reverse (210320023101), we get a palindrome (311640046113).

The spelling of 101320023012 in words is "one hundred one billion, three hundred twenty million, twenty-three thousand, twelve".