1301212133 has 8 divisors (see below), whose sum is σ = 1401743448. Its totient is φ = 1200743424.

The previous prime is 1301212123. The next prime is 1301212141. The reversal of 1301212133 is 3312121031.

It can be written as a sum of positive squares in 4 ways, for example, as 305620324 + 995591809 = 17482^2 + 31553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301212133 - 2⁴ = 1301212117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301212123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33185 + ... + 60857.

It is an arithmetic number, because the mean of its divisors is an integer number (175217931).

Almost surely, 2^1301212133 is an apocalyptic number.

1301212133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1301212133 is a deficient number, since it is larger than the sum of its proper divisors (100531315).

1301212133 is a wasteful number, since it uses less digits than its factorization.

1301212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31303.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1301212133 is about 36072.3180985087. The cubic root of 1301212133 is about 1091.7319862346.

Adding to 1301212133 its reverse (3312121031), we get a palindrome (4613333164).

The spelling of 1301212133 in words is "one billion, three hundred one million, two hundred twelve thousand, one hundred thirty-three".