1451616012 has 192 divisors, whose sum is σ = 4723891200. Its totient is φ = 374492160.

The previous prime is 1451616011. The next prime is 1451616031. The reversal of 1451616012 is 2106161541.

1451616012 is a `hidden beast` number, since 1 + 4 + 51 + 6 + 1 + 601 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1451616011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1438164 + ... + 1439172.

It is an arithmetic number, because the mean of its divisors is an integer number (24603600).

Almost surely, 2^1451616012 is an apocalyptic number.

1451616012 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 1451616012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2361945600).

1451616012 is an abundant number, since it is smaller than the sum of its proper divisors (3272275188).

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

1451616012 is a wasteful number, since it uses less digits than its factorization.

1451616012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1451616012 is about 38100.0788975561. The cubic root of 1451616012 is about 1132.2715191895.

Adding to 1451616012 its reverse (2106161541), we get a palindrome (3557777553).

The spelling of 1451616012 in words is "one billion, four hundred fifty-one million, six hundred sixteen thousand, twelve".