12002551201205 has 4 divisors (see below), whose sum is σ = 14403061441452. Its totient is φ = 9602040960960.

The previous prime is 12002551201111. The next prime is 12002551201259. The reversal of 12002551201205 is 50210215520021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7841444866564 + 4161106334641 = 2800258^2 + 2039879^2 .

It is not a de Polignac number, because 12002551201205 - 2¹⁰ = 12002551200181 is a prime.

It is a super-2 number, since 2×12002551201205² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 1200255120116 + ... + 1200255120125.

It is an arithmetic number, because the mean of its divisors is an integer number (3600765360363).

Almost surely, 2^{12002551201205} is an apocalyptic number.

It is an amenable number.

12002551201205 is a deficient number, since it is larger than the sum of its proper divisors (2400510240247).

12002551201205 is an equidigital number, since it uses as much as digits as its factorization.

12002551201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400510240246.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 12002551201205 its reverse (50210215520021), we get a palindrome (62212766721226).

The spelling of 12002551201205 in words is "twelve trillion, two billion, five hundred fifty-one million, two hundred one thousand, two hundred five".