1245345033213 has 32 divisors (see below), whose sum is σ = 1956520944000. Its totient is φ = 780177547008.

The previous prime is 1245345033209. The next prime is 1245345033287. The reversal of 1245345033213 is 3123305435421.

1245345033213 is a `hidden beast` number, since 1 + 24 + 534 + 50 + 33 + 21 + 3 = 666.

It is not a de Polignac number, because 1245345033213 - 2² = 1245345033209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245345033203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1814638 + ... + 2404911.

It is an arithmetic number, because the mean of its divisors is an integer number (61141279500).

Almost surely, 2^{1245345033213} is an apocalyptic number.

It is an amenable number.

1245345033213 is a deficient number, since it is larger than the sum of its proper divisors (711175910787).

1245345033213 is a wasteful number, since it uses less digits than its factorization.

1245345033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220218 (or 4220212 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 1245345033213 in words is "one trillion, two hundred forty-five billion, three hundred forty-five million, thirty-three thousand, two hundred thirteen".