133012023131021 has 16 divisors (see below), whose sum is σ = 136090156422528. Its totient is φ = 129962874168000.

The previous prime is 133012023130981. The next prime is 133012023131023. The reversal of 133012023131021 is 120131320210331.

It is a cyclic number.

It is not a de Polignac number, because 133012023131021 - 2¹⁴ = 133012023114637 is a prime.

It is a super-3 number, since 3×133012023131021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133012023131023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944637395 + ... + 944778191.

It is an arithmetic number, because the mean of its divisors is an integer number (8505634776408).

Almost surely, 2^{133012023131021} is an apocalyptic number.

It is an amenable number.

133012023131021 is a deficient number, since it is larger than the sum of its proper divisors (3078133291507).

133012023131021 is a wasteful number, since it uses less digits than its factorization.

133012023131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243572.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 133012023131021 its reverse (120131320210331), we get a palindrome (253143343341352).

The spelling of 133012023131021 in words is "one hundred thirty-three trillion, twelve billion, twenty-three million, one hundred thirty-one thousand, twenty-one".