1512045612 has 216 divisors, whose sum is σ = 5032564992. Its totient is φ = 371822400.

The previous prime is 1512045559. The next prime is 1512045629. The reversal of 1512045612 is 2165402151.

1512045612 is a `hidden beast` number, since 1 + 5 + 1 + 2 + 0 + 45 + 612 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 999937 + ... + 1001447.

It is an arithmetic number, because the mean of its divisors is an integer number (23298912).

Almost surely, 2^1512045612 is an apocalyptic number.

1512045612 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 1512045612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516282496).

1512045612 is an abundant number, since it is smaller than the sum of its proper divisors (3520519380).

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

1512045612 is a wasteful number, since it uses less digits than its factorization.

1512045612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1512045612 is about 38885.0306930572. The cubic root of 1512045612 is about 1147.7702508989.

Adding to 1512045612 its reverse (2165402151), we get a palindrome (3677447763).

It can be divided in two parts, 151204 and 5612, that added together give a square (156816 = 396²).

The spelling of 1512045612 in words is "one billion, five hundred twelve million, forty-five thousand, six hundred twelve".