1345885212 has 192 divisors, whose sum is σ = 3884195840. Its totient is φ = 354585600.

The previous prime is 1345885201. The next prime is 1345885271. The reversal of 1345885212 is 2125885431.

It is a super-2 number, since 2×1345885212² = 3622814007760569888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5877114 + ... + 5877342.

Almost surely, 2^1345885212 is an apocalyptic number.

1345885212 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 1345885212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942097920).

1345885212 is an abundant number, since it is smaller than the sum of its proper divisors (2538310628).

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

1345885212 is a wasteful number, since it uses less digits than its factorization.

1345885212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 1345885212 is about 36686.3082361799. The cubic root of 1345885212 is about 1104.0854172778.

The spelling of 1345885212 in words is "one billion, three hundred forty-five million, eight hundred eighty-five thousand, two hundred twelve".