1012232665216 has 32 divisors (see below), whose sum is σ = 2018385792000. Its totient is φ = 505657407744.

The previous prime is 1012232665211. The next prime is 1012232665253. The reversal of 1012232665216 is 6125662322101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1012232665216² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012232665211) 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 3 ways as a sum of consecutive naturals, for example, 3443616 + ... + 3725983.

It is an arithmetic number, because the mean of its divisors is an integer number (63074556000).

Almost surely, 2^{1012232665216} is an apocalyptic number.

1012232665216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1012232665216 is a deficient number, since it is larger than the sum of its proper divisors (1006153126784).

1012232665216 is an equidigital number, since it uses as much as digits as its factorization.

1012232665216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170716 (or 7170704 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 1012232665216 its reverse (6125662322101), we get a palindrome (7137894987317).

The spelling of 1012232665216 in words is "one trillion, twelve billion, two hundred thirty-two million, six hundred sixty-five thousand, two hundred sixteen".