140012303431220 has 24 divisors (see below), whose sum is σ = 320755458770208. Its totient is φ = 50913564884000.

The previous prime is 140012303431157. The next prime is 140012303431241. The reversal of 140012303431220 is 22134303210041.

It is a super-2 number, since 2×140012303431220² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140012303431220.

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, 318209780306 + ... + 318209780745.

It is an arithmetic number, because the mean of its divisors is an integer number (13364810782092).

Almost surely, 2^{140012303431220} is an apocalyptic number.

140012303431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140012303431220 is an abundant number, since it is smaller than the sum of its proper divisors (180743155338988).

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

140012303431220 is a wasteful number, since it uses less digits than its factorization.

140012303431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636419561071 (or 636419561069 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 140012303431220 its reverse (22134303210041), we get a palindrome (162146606641261).

The spelling of 140012303431220 in words is "one hundred forty trillion, twelve billion, three hundred three million, four hundred thirty-one thousand, two hundred twenty".