76122517212 has 36 divisors (see below), whose sum is σ = 219909494896. Its totient is φ = 21749290560.

The previous prime is 76122517169. The next prime is 76122517213. The reversal of 76122517212 is 21271522167.

76122517212 is a `hidden beast` number, since 7 + 6 + 122 + 517 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76122517213) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 151036489 + ... + 151036992.

Almost surely, 2^76122517212 is an apocalyptic number.

It is an amenable number.

76122517212 is an abundant number, since it is smaller than the sum of its proper divisors (143786977684).

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

76122517212 is a wasteful number, since it uses less digits than its factorization.

76122517212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302073498 (or 302073493 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The spelling of 76122517212 in words is "seventy-six billion, one hundred twenty-two million, five hundred seventeen thousand, two hundred twelve".