7505011212 has 12 divisors (see below), whose sum is σ = 17511692856. Its totient is φ = 2501670400.

The previous prime is 7505011207. The next prime is 7505011219. The reversal of 7505011212 is 2121105057.

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

It is not an unprimeable number, because it can be changed into a prime (7505011219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312708789 + ... + 312708812.

It is an arithmetic number, because the mean of its divisors is an integer number (1459307738).

Almost surely, 2^7505011212 is an apocalyptic number.

It is an amenable number.

7505011212 is an abundant number, since it is smaller than the sum of its proper divisors (10006681644).

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

7505011212 is a wasteful number, since it uses less digits than its factorization.

7505011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625417608 (or 625417606 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 7505011212 is about 86631.4677931755. The cubic root of 7505011212 is about 1957.8696842275.

Adding to 7505011212 its reverse (2121105057), we get a palindrome (9626116269).

The spelling of 7505011212 in words is "seven billion, five hundred five million, eleven thousand, two hundred twelve".