140021320412 has 12 divisors (see below), whose sum is σ = 245144189976. Its totient is φ = 69980123280.

The previous prime is 140021320379. The next prime is 140021320423. The reversal of 140021320412 is 214023120041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7623914 + ... + 7642257.

It is an arithmetic number, because the mean of its divisors is an integer number (20428682498).

Almost surely, 2^140021320412 is an apocalyptic number.

It is an amenable number.

140021320412 is a deficient number, since it is larger than the sum of its proper divisors (105122869564).

140021320412 is a wasteful number, since it uses less digits than its factorization.

140021320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268468 (or 15268466 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140021320412 its reverse (214023120041), we get a palindrome (354044440453).

The spelling of 140021320412 in words is "one hundred forty billion, twenty-one million, three hundred twenty thousand, four hundred twelve".