308712060019872 has 192 divisors, whose sum is σ = 904469896028160. Its totient is φ = 102440602789632.

The previous prime is 308712060019777. The next prime is 308712060019877. The reversal of 308712060019872 is 278910060217803.

It is a happy number.

308712060019872 is a `hidden beast` number, since 3 + 0 + 8 + 7 + 1 + 20 + 600 + 1 + 9 + 8 + 7 + 2 = 666.

It is a super-2 number, since 2×308712060019872² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (308712060019877) 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 31 ways as a sum of consecutive naturals, for example, 322873773 + ... + 323828499.

It is an arithmetic number, because the mean of its divisors is an integer number (4710780708480).

Almost surely, 2^{308712060019872} is an apocalyptic number.

308712060019872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308712060019872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452234948014080).

308712060019872 is an abundant number, since it is smaller than the sum of its proper divisors (595757836008288).

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

308712060019872 is a wasteful number, since it uses less digits than its factorization.

308712060019872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956432 (or 956418 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 308712060019872 in words is "three hundred eight trillion, seven hundred twelve billion, sixty million, nineteen thousand, eight hundred seventy-two".