1551152012 has 30 divisors (see below), whose sum is σ = 2884792428. Its totient is φ = 729796672.

The previous prime is 1551152011. The next prime is 1551152021. The reversal of 1551152012 is 2102511551.

It is not an unprimeable number, because it can be changed into a prime (1551152011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 331763 + ... + 336405.

Almost surely, 2^1551152012 is an apocalyptic number.

It is an amenable number.

1551152012 is a deficient number, since it is larger than the sum of its proper divisors (1333640416).

1551152012 is an frugal number, since it uses more digits than its factorization.

1551152012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 1551152012 is about 39384.6672196173. The cubic root of 1551152012 is about 1157.5811696333.

Adding to 1551152012 its reverse (2102511551), we get a palindrome (3653663563).

The spelling of 1551152012 in words is "one billion, five hundred fifty-one million, one hundred fifty-two thousand, twelve".