140212001240 has 32 divisors (see below), whose sum is σ = 316676558880. Its totient is φ = 55871546112.

The previous prime is 140212001233. The next prime is 140212001309. The reversal of 140212001240 is 42100212041.

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, 6653549 + ... + 6674588.

It is an arithmetic number, because the mean of its divisors is an integer number (9896142465).

Almost surely, 2^140212001240 is an apocalyptic number.

140212001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140212001240 is an abundant number, since it is smaller than the sum of its proper divisors (176464557640).

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

140212001240 is a wasteful number, since it uses less digits than its factorization.

140212001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328411 (or 13328407 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 140212001240 its reverse (42100212041), we get a palindrome (182312213281).

The spelling of 140212001240 in words is "one hundred forty billion, two hundred twelve million, one thousand, two hundred forty".