12012083997 has 8 divisors (see below), whose sum is σ = 16568391840. Its totient is φ = 7731916080.

The previous prime is 12012083989. The next prime is 12012083999. The reversal of 12012083997 is 79938021021.

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

It is not a de Polignac number, because 12012083997 - 2³ = 12012083989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012083999) 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, 69034879 + ... + 69035052.

It is an arithmetic number, because the mean of its divisors is an integer number (2071048980).

Almost surely, 2^12012083997 is an apocalyptic number.

It is an amenable number.

12012083997 is a deficient number, since it is larger than the sum of its proper divisors (4556307843).

12012083997 is a wasteful number, since it uses less digits than its factorization.

12012083997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138069963.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 12012083997 in words is "twelve billion, twelve million, eighty-three thousand, nine hundred ninety-seven".