140041212 has 24 divisors (see below), whose sum is σ = 327000912. Its totient is φ = 46646400.

The previous prime is 140041207. The next prime is 140041217. The reversal of 140041212 is 212140041.

It is an interprime number because it is at equal distance from previous prime (140041207) and next prime (140041217).

It is a super-2 number, since 2×140041212² = 39223082116857888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140041191 and 140041200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140041217) 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, 17262 + ... + 24042.

It is an arithmetic number, because the mean of its divisors is an integer number (13625038).

Almost surely, 2^140041212 is an apocalyptic number.

140041212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140041212 is an abundant number, since it is smaller than the sum of its proper divisors (186959700).

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

140041212 is a wasteful number, since it uses less digits than its factorization.

140041212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509 (or 8507 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140041212 is about 11833.9009629116. The cubic root of 140041212 is about 519.3003559167.

Adding to 140041212 its reverse (212140041), we get a palindrome (352181253).

It can be divided in two parts, 140041 and 212, that multiplied together give a palindrome (29688692).

The spelling of 140041212 in words is "one hundred forty million, forty-one thousand, two hundred twelve".