1320012152 has 8 divisors (see below), whose sum is σ = 2475022800. Its totient is φ = 660006072.

The previous prime is 1320012143. The next prime is 1320012157. The reversal of 1320012152 is 2512100231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1320012152² = 3484864162855342208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1320012152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320012157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82500752 + ... + 82500767.

It is an arithmetic number, because the mean of its divisors is an integer number (309377850).

Almost surely, 2^1320012152 is an apocalyptic number.

It is an amenable number.

1320012152 is a deficient number, since it is larger than the sum of its proper divisors (1155010648).

1320012152 is a wasteful number, since it uses less digits than its factorization.

1320012152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165001525 (or 165001521 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1320012152 is about 36331.9714851809. The cubic root of 1320012152 is about 1096.9646767070.

Adding to 1320012152 its reverse (2512100231), we get a palindrome (3832112383).

It can be divided in two parts, 13200 and 12152, that added together give a palindrome (25352).

The spelling of 1320012152 in words is "one billion, three hundred twenty million, twelve thousand, one hundred fifty-two".