12140012221 has 8 divisors (see below), whose sum is σ = 12351981600. Its totient is φ = 11928249840.

The previous prime is 12140012197. The next prime is 12140012249. The reversal of 12140012221 is 12221004121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12140012221 - 2¹⁹ = 12139487933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12140012195 and 12140012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140022221) 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, 69006 + ... + 170416.

It is an arithmetic number, because the mean of its divisors is an integer number (1543997700).

Almost surely, 2^12140012221 is an apocalyptic number.

It is an amenable number.

12140012221 is a deficient number, since it is larger than the sum of its proper divisors (211969379).

12140012221 is a wasteful number, since it uses less digits than its factorization.

12140012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103499.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12140012221 its reverse (12221004121), we get a palindrome (24361016342).

The spelling of 12140012221 in words is "twelve billion, one hundred forty million, twelve thousand, two hundred twenty-one".