140212120 has 32 divisors (see below), whose sum is σ = 316875600. Its totient is φ = 55836288.

The previous prime is 140212043. The next prime is 140212157. The reversal of 140212120 is 21212041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140212120.

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, 1507 + ... + 16813.

Almost surely, 2^140212120 is an apocalyptic number.

140212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140212120 is an abundant number, since it is smaller than the sum of its proper divisors (176663480).

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

140212120 is a wasteful number, since it uses less digits than its factorization.

140212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15547 (or 15543 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140212120 is about 11841.1198794709. The cubic root of 140212120 is about 519.5115235282.

Adding to 140212120 its reverse (21212041), we get a palindrome (161424161).

The spelling of 140212120 in words is "one hundred forty million, two hundred twelve thousand, one hundred twenty".