69000012 has 60 divisors (see below), whose sum is σ = 181569696. Its totient is φ = 22848480.

The previous prime is 68999981. The next prime is 69000047. The reversal of 69000012 is 21000096.

It is a super-2 number, since 2×69000012² = 9522003312000288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55437 + ... + 56667.

Almost surely, 2^69000012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90784848).

69000012 is an abundant number, since it is smaller than the sum of its proper divisors (112569684).

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

69000012 is a wasteful number, since it uses less digits than its factorization.

69000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 69000012 is about 8306.6245852332. The cubic root of 69000012 is about 410.1566167474.

The spelling of 69000012 in words is "sixty-nine million, twelve", and thus it is an aban number and an uban number.