140121430542512 has 40 divisors (see below), whose sum is σ = 299953036750176. Its totient is φ = 63072562082816.

The previous prime is 140121430542503. The next prime is 140121430542517. The reversal of 140121430542512 is 215245034121041.

It is not an unprimeable number, because it can be changed into a prime (140121430542517) 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, 11198957183 + ... + 11198969694.

Almost surely, 2^{140121430542512} is an apocalyptic number.

It is an amenable number.

140121430542512 is an abundant number, since it is smaller than the sum of its proper divisors (159831606207664).

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

140121430542512 is a wasteful number, since it uses less digits than its factorization.

140121430542512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397926925 (or 22397926919 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 140121430542512 its reverse (215245034121041), we get a palindrome (355366464663553).

The spelling of 140121430542512 in words is "one hundred forty trillion, one hundred twenty-one billion, four hundred thirty million, five hundred forty-two thousand, five hundred twelve".