1612420512 has 24 divisors (see below), whose sum is σ = 4232604096. Its totient is φ = 537473472.

The previous prime is 1612420507. The next prime is 1612420519. The reversal of 1612420512 is 2150242161.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1612420519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8397928 + ... + 8398119.

It is an arithmetic number, because the mean of its divisors is an integer number (176358504).

Almost surely, 2^1612420512 is an apocalyptic number.

1612420512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1612420512 is an abundant number, since it is smaller than the sum of its proper divisors (2620183584).

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

1612420512 is a wasteful number, since it uses less digits than its factorization.

1612420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16796060 (or 16796052 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1612420512 is about 40154.9562569803. The cubic root of 1612420512 is about 1172.6257806547.

Adding to 1612420512 its reverse (2150242161), we get a palindrome (3762662673).

The spelling of 1612420512 in words is "one billion, six hundred twelve million, four hundred twenty thousand, five hundred twelve".