1069218612 has 108 divisors (see below), whose sum is σ = 3429893376. Its totient is φ = 277714080.

The previous prime is 1069218611. The next prime is 1069218617. The reversal of 1069218612 is 2168129601.

1069218612 is a `hidden beast` number, since 10 + 6 + 9 + 21 + 8 + 612 = 666.

It is a super-2 number, since 2×1069218612² = 2286456880494413088, which contains 22 as substring.

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 (1069218611) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8148 + ... + 46955.

It is an arithmetic number, because the mean of its divisors is an integer number (31758272).

Almost surely, 2^1069218612 is an apocalyptic number.

1069218612 is a gapful number since it is divisible by the number (12) 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 1069218612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714946688).

1069218612 is an abundant number, since it is smaller than the sum of its proper divisors (2360674764).

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

1069218612 is a wasteful number, since it uses less digits than its factorization.

1069218612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55138 (or 55126 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1069218612 is about 32698.9084221477. The cubic root of 1069218612 is about 1022.5600858197.

The spelling of 1069218612 in words is "one billion, sixty-nine million, two hundred eighteen thousand, six hundred twelve".