140321213412 has 12 divisors (see below), whose sum is σ = 327416164656. Its totient is φ = 46773737800.

The previous prime is 140321213377. The next prime is 140321213441. The reversal of 140321213412 is 214312123041.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5846717214 + ... + 5846717237.

It is an arithmetic number, because the mean of its divisors is an integer number (27284680388).

Almost surely, 2^140321213412 is an apocalyptic number.

140321213412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140321213412 is an abundant number, since it is smaller than the sum of its proper divisors (187094951244).

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

140321213412 is a wasteful number, since it uses less digits than its factorization.

140321213412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11693434458 (or 11693434456 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 140321213412 its reverse (214312123041), we get a palindrome (354633336453).

The spelling of 140321213412 in words is "one hundred forty billion, three hundred twenty-one million, two hundred thirteen thousand, four hundred twelve".