101123320012 has 48 divisors (see below), whose sum is σ = 208009638144. Its totient is φ = 42407784000.

The previous prime is 101123319991. The next prime is 101123320021. The reversal of 101123320012 is 210023321101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106337 + ... + 1194247.

It is an arithmetic number, because the mean of its divisors is an integer number (4333534128).

Almost surely, 2^101123320012 is an apocalyptic number.

It is an amenable number.

101123320012 is an abundant number, since it is smaller than the sum of its proper divisors (106886318132).

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

101123320012 is a wasteful number, since it uses less digits than its factorization.

101123320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89950 (or 89948 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101123320012 its reverse (210023321101), we get a palindrome (311146641113).

The spelling of 101123320012 in words is "one hundred one billion, one hundred twenty-three million, three hundred twenty thousand, twelve".