1245401330412 has 12 divisors (see below), whose sum is σ = 2905936437656. Its totient is φ = 415133776800.

The previous prime is 1245401330387. The next prime is 1245401330419. The reversal of 1245401330412 is 2140331045421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1245401330412.

It is not an unprimeable number, because it can be changed into a prime (1245401330419) 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, 51891722089 + ... + 51891722112.

Almost surely, 2^{1245401330412} is an apocalyptic number.

1245401330412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245401330412 is an abundant number, since it is smaller than the sum of its proper divisors (1660535107244).

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

1245401330412 is a wasteful number, since it uses less digits than its factorization.

1245401330412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103783444208 (or 103783444206 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1245401330412 its reverse (2140331045421), we get a palindrome (3385732375833).

The spelling of 1245401330412 in words is "one trillion, two hundred forty-five billion, four hundred one million, three hundred thirty thousand, four hundred twelve".