1245203770216 has 32 divisors (see below), whose sum is σ = 2668400965440. Its totient is φ = 533637324288.

The previous prime is 1245203770171. The next prime is 1245203770231. The reversal of 1245203770216 is 6120773025421.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1001715 + ... + 1869181.

It is an arithmetic number, because the mean of its divisors is an integer number (83387530170).

Almost surely, 2^{1245203770216} is an apocalyptic number.

It is an amenable number.

1245203770216 is an abundant number, since it is smaller than the sum of its proper divisors (1423197195224).

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

1245203770216 is a wasteful number, since it uses less digits than its factorization.

1245203770216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893113 (or 893109 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

Adding to 1245203770216 its reverse (6120773025421), we get a palindrome (7365976795637).

The spelling of 1245203770216 in words is "one trillion, two hundred forty-five billion, two hundred three million, seven hundred seventy thousand, two hundred sixteen".