2012151244 has 6 divisors (see below), whose sum is σ = 3521264684. Its totient is φ = 1006075620.

The previous prime is 2012151241. The next prime is 2012151257. The reversal of 2012151244 is 4421512102.

It is not an unprimeable number, because it can be changed into a prime (2012151241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251518902 + ... + 251518909.

Almost surely, 2^2012151244 is an apocalyptic number.

It is an amenable number.

2012151244 is a deficient number, since it is larger than the sum of its proper divisors (1509113440).

2012151244 is a wasteful number, since it uses less digits than its factorization.

2012151244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503037815 (or 503037813 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2012151244 is about 44857.0088614923. The cubic root of 2012151244 is about 1262.4675010946.

Adding to 2012151244 its reverse (4421512102), we get a palindrome (6433663346).

The spelling of 2012151244 in words is "two billion, twelve million, one hundred fifty-one thousand, two hundred forty-four".