761218748212 has 108 divisors (see below), whose sum is σ = 1485694001260. Its totient is φ = 341252695680.

The previous prime is 761218748207. The next prime is 761218748233. The reversal of 761218748212 is 212847812167.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 760617713956 + 601034256 = 872134^2 + 24516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3353386443 + ... + 3353386669.

Almost surely, 2^761218748212 is an apocalyptic number.

It is an amenable number.

761218748212 is a deficient number, since it is larger than the sum of its proper divisors (724475253048).

761218748212 is an equidigital number, since it uses as much as digits as its factorization.

761218748212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 283 counting only the distinct ones).

The product of its digits is 602112, while the sum is 49.

The spelling of 761218748212 in words is "seven hundred sixty-one billion, two hundred eighteen million, seven hundred forty-eight thousand, two hundred twelve".