12001020000010 has 8 divisors (see below), whose sum is σ = 21601836000036. Its totient is φ = 4800408000000.

The previous prime is 12001019999939. The next prime is 12001020000037. The reversal of 12001020000010 is 1000002010021.

It can be written as a sum of positive squares in 2 ways, for example, as 11248826321329 + 752193678681 = 3353927^2 + 867291^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12001019999948 and 12001020000002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600050999991 + ... + 600051000010.

Almost surely, 2^{12001020000010} is an apocalyptic number.

12001020000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001020000010 is a deficient number, since it is larger than the sum of its proper divisors (9600816000026).

12001020000010 is a wasteful number, since it uses less digits than its factorization.

12001020000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200102000008.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 12001020000010 its reverse (1000002010021), we get a palindrome (13001022010031).

The spelling of 12001020000010 in words is "twelve trillion, one billion, twenty million, ten", and thus it is an aban number and an uban number.