140045231212 has 24 divisors (see below), whose sum is σ = 248087759360. Its totient is φ = 69167831040.

The previous prime is 140045231203. The next prime is 140045231219. The reversal of 140045231212 is 212132540041.

It is a super-2 number, since 2×140045231212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140045231219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485589 + ... + 718252.

Almost surely, 2^140045231212 is an apocalyptic number.

It is an amenable number.

140045231212 is a deficient number, since it is larger than the sum of its proper divisors (108042528148).

140045231212 is a wasteful number, since it uses less digits than its factorization.

140045231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204201 (or 1204199 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 140045231212 its reverse (212132540041), we get a palindrome (352177771253).

The spelling of 140045231212 in words is "one hundred forty billion, forty-five million, two hundred thirty-one thousand, two hundred twelve".