71212306606875 has 120 divisors (see below), whose sum is σ = 147429350681184. Its totient is φ = 32436668160000.

The previous prime is 71212306606843. The next prime is 71212306606891. The reversal of 71212306606875 is 57860660321217.

71212306606875 is a `hidden beast` number, since 7 + 1 + 2 + 1 + 23 + 0 + 6 + 606 + 8 + 7 + 5 = 666.

It is not a de Polignac number, because 71212306606875 - 2⁵ = 71212306606843 is a prime.

It is a super-2 number, since 2×71212306606875² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7642315 + ... + 14171435.

Almost surely, 2^{71212306606875} is an apocalyptic number.

71212306606875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71212306606875 is an abundant number, since it is smaller than the sum of its proper divisors (76217044074309).

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

71212306606875 is a wasteful number, since it uses less digits than its factorization.

71212306606875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529431 (or 6529413 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 71212306606875 in words is "seventy-one trillion, two hundred twelve billion, three hundred six million, six hundred six thousand, eight hundred seventy-five".