12001035001245 has 32 divisors (see below), whose sum is σ = 19587551932800. Its totient is φ = 6272211389184.

The previous prime is 12001035001229. The next prime is 12001035001301. The reversal of 12001035001245 is 54210053010021.

It is a happy number.

It is not a de Polignac number, because 12001035001245 - 2⁴ = 12001035001229 is a prime.

It is a super-2 number, since 2×12001035001245² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8445675 + ... + 9763784.

It is an arithmetic number, because the mean of its divisors is an integer number (612110997900).

Almost surely, 2^{12001035001245} is an apocalyptic number.

12001035001245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12001035001245 is a deficient number, since it is larger than the sum of its proper divisors (7586516931555).

12001035001245 is a wasteful number, since it uses less digits than its factorization.

12001035001245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210349.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12001035001245 its reverse (54210053010021), we get a palindrome (66211088011266).

The spelling of 12001035001245 in words is "twelve trillion, one billion, thirty-five million, one thousand, two hundred forty-five".