140111212 has 24 divisors (see below), whose sum is σ = 260683920. Its totient is φ = 65664000.

The previous prime is 140111207. The next prime is 140111219. The reversal of 140111212 is 212111041.

It is a super-3 number, since 3×140111212³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140111192 and 140111201.

It is not an unprimeable number, because it can be changed into a prime (140111219) 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, 12964 + ... + 21172.

It is an arithmetic number, because the mean of its divisors is an integer number (10861830).

Almost surely, 2^140111212 is an apocalyptic number.

It is an amenable number.

140111212 is a deficient number, since it is larger than the sum of its proper divisors (120572708).

140111212 is a wasteful number, since it uses less digits than its factorization.

140111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481 (or 8479 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 140111212 is about 11836.8581980186. The cubic root of 140111212 is about 519.3868660931.

Adding to 140111212 its reverse (212111041), we get a palindrome (352222253).

The spelling of 140111212 in words is "one hundred forty million, one hundred eleven thousand, two hundred twelve".