12021147037 has 16 divisors (see below), whose sum is σ = 12388824448. Its totient is φ = 11657701440.

The previous prime is 12021147007. The next prime is 12021147059. The reversal of 12021147037 is 73074112021.

It is a cyclic number.

It is not a de Polignac number, because 12021147037 - 2²⁷ = 11886929309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12021146996 and 12021147014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021147007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8272603 + ... + 8274055.

It is an arithmetic number, because the mean of its divisors is an integer number (774301528).

Almost surely, 2^12021147037 is an apocalyptic number.

It is an amenable number.

12021147037 is a deficient number, since it is larger than the sum of its proper divisors (367677411).

12021147037 is a wasteful number, since it uses less digits than its factorization.

12021147037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 12021147037 its reverse (73074112021), we get a palindrome (85095259058).

The spelling of 12021147037 in words is "twelve billion, twenty-one million, one hundred forty-seven thousand, thirty-seven".