12012002620 has 12 divisors (see below), whose sum is σ = 25225205544. Its totient is φ = 4804801040.

The previous prime is 12012002617. The next prime is 12012002621. The reversal of 12012002620 is 2620021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012002594 and 12012002603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012002621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300300046 + ... + 300300085.

It is an arithmetic number, because the mean of its divisors is an integer number (2102100462).

Almost surely, 2^12012002620 is an apocalyptic number.

12012002620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012002620 is an abundant number, since it is smaller than the sum of its proper divisors (13213202924).

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

12012002620 is a wasteful number, since it uses less digits than its factorization.

12012002620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600600140 (or 600600138 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012002620 its reverse (2620021021), we get a palindrome (14632023641).

The spelling of 12012002620 in words is "twelve billion, twelve million, two thousand, six hundred twenty".