12990930012 has 120 divisors (see below), whose sum is σ = 35639049600. Its totient is φ = 4118472864.

The previous prime is 12990929977. The next prime is 12990930019. The reversal of 12990930012 is 21003909921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990930019) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1329039 + ... + 1338777.

It is an arithmetic number, because the mean of its divisors is an integer number (296992080).

Almost surely, 2^12990930012 is an apocalyptic number.

12990930012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12990930012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17819524800).

12990930012 is an abundant number, since it is smaller than the sum of its proper divisors (22648119588).

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

12990930012 is a wasteful number, since it uses less digits than its factorization.

12990930012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9946 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 12990930012 in words is "twelve billion, nine hundred ninety million, nine hundred thirty thousand, twelve".