1345212016 has 80 divisors (see below), whose sum is σ = 2761037568. Its totient is φ = 634060800.

The previous prime is 1345212013. The next prime is 1345212019. The reversal of 1345212016 is 6102125431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1345212013) and next prime (1345212019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345212013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5234160 + ... + 5234416.

Almost surely, 2^1345212016 is an apocalyptic number.

1345212016 is a gapful number since it is divisible by the number (16) 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 1345212016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380518784).

1345212016 is an abundant number, since it is smaller than the sum of its proper divisors (1415825552).

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

1345212016 is a wasteful number, since it uses less digits than its factorization.

1345212016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1345212016 is about 36677.1320580004. The cubic root of 1345212016 is about 1103.9013030511.

Adding to 1345212016 its reverse (6102125431), we get a palindrome (7447337447).

The spelling of 1345212016 in words is "one billion, three hundred forty-five million, two hundred twelve thousand, sixteen".