1272513000245 has 32 divisors (see below), whose sum is σ = 1567855650816. Its totient is φ = 990900172800.

The previous prime is 1272513000233. The next prime is 1272513000271. The reversal of 1272513000245 is 5420003152721.

It is not a de Polignac number, because 1272513000245 - 2¹⁰ = 1272512999221 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 300757280 + ... + 300761510.

It is an arithmetic number, because the mean of its divisors is an integer number (48995489088).

Almost surely, 2^{1272513000245} is an apocalyptic number.

It is an amenable number.

1272513000245 is a deficient number, since it is larger than the sum of its proper divisors (295342650571).

1272513000245 is a wasteful number, since it uses less digits than its factorization.

1272513000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 1272513000245 its reverse (5420003152721), we get a palindrome (6692516152966).

The spelling of 1272513000245 in words is "one trillion, two hundred seventy-two billion, five hundred thirteen million, two hundred forty-five", and thus it is an aban number.