130121211233 has 4 divisors (see below), whose sum is σ = 140130535188. Its totient is φ = 120111887280.

The previous prime is 130121211217. The next prime is 130121211263. The reversal of 130121211233 is 332112121031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332112121031 = 593 ⋅560054167.

It can be written as a sum of positive squares in 2 ways, for example, as 51557605969 + 78563605264 = 227063^2 + 280292^2 .

It is a cyclic number.

It is not a de Polignac number, because 130121211233 - 2⁴ = 130121211217 is a prime.

It is a super-2 number, since 2×130121211233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130121211263) 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 3 ways as a sum of consecutive naturals, for example, 5004661958 + ... + 5004661983.

It is an arithmetic number, because the mean of its divisors is an integer number (35032633797).

Almost surely, 2^130121211233 is an apocalyptic number.

130121211233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130121211233 is a deficient number, since it is larger than the sum of its proper divisors (10009323955).

130121211233 is a wasteful number, since it uses less digits than its factorization.

130121211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009323954.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 130121211233 its reverse (332112121031), we get a palindrome (462233332264).

The spelling of 130121211233 in words is "one hundred thirty billion, one hundred twenty-one million, two hundred eleven thousand, two hundred thirty-three".