140012323122 has 64 divisors (see below), whose sum is σ = 341899822080.
Its totient is φ = 37332415296.
The previous prime is 140012323111. The next prime is 140012323183. The reversal of 140012323122 is 221323210041.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1255893 + ... + 1362824.
It is an arithmetic number, because the mean of its divisors is an integer number (5342184720).
Almost surely, 2140012323122 is an apocalyptic number.
140012323122 is an abundant number, since it is smaller than the sum of its proper divisors (201887498958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140012323122 is a wasteful number, since it uses less digits than its factorization.
140012323122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2618815.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 140012323122 its reverse (221323210041), we get a palindrome (361335533163).
The spelling of 140012323122 in words is "one hundred forty billion, twelve million, three hundred twenty-three thousand, one hundred twenty-two".