1301253012 has 30 divisors (see below), whose sum is σ = 3401733258. Its totient is φ = 433750896.

The previous prime is 1301253011. The next prime is 1301253017. The reversal of 1301253012 is 2103521031.

1301253012 is a `hidden beast` number, since 130 + 1 + 2 + 530 + 1 + 2 = 666.

1301253012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 852406416 + 448846596 = 29196^2 + 21186^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301253011) 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, 2007783 + ... + 2008430.

Almost surely, 2^1301253012 is an apocalyptic number.

1301253012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301253012 is an abundant number, since it is smaller than the sum of its proper divisors (2100480246).

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

1301253012 is a wasteful number, since it uses less digits than its factorization.

1301253012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016229 (or 4016218 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1301253012 is about 36072.8847196894. The cubic root of 1301253012 is about 1091.7434187657.

Adding to 1301253012 its reverse (2103521031), we get a palindrome (3404774043).

The spelling of 1301253012 in words is "one billion, three hundred one million, two hundred fifty-three thousand, twelve".