12020010001002 has 48 divisors (see below), whose sum is σ = 26096061694560. Its totient is φ = 3998566562976.

The previous prime is 12020010001001. The next prime is 12020010001003. The reversal of 12020010001002 is 20010001002021.

It is an interprime number because it is at equal distance from previous prime (12020010001001) and next prime (12020010001003).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12020010001001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27268668 + ... + 27705960.

It is an arithmetic number, because the mean of its divisors is an integer number (543667951970).

Almost surely, 2^{12020010001002} is an apocalyptic number.

12020010001002 is an abundant number, since it is smaller than the sum of its proper divisors (14076051693558).

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

12020010001002 is a wasteful number, since it uses less digits than its factorization.

12020010001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440387 (or 440384 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020010001002 its reverse (20010001002021), we get a palindrome (32030011003023).

The spelling of 12020010001002 in words is "twelve trillion, twenty billion, ten million, one thousand, two".