120121231333 has 16 divisors (see below), whose sum is σ = 124284323520. Its totient is φ = 116048693376.

The previous prime is 120121231297. The next prime is 120121231357. The reversal of 120121231333 is 333132121021.

It is a cyclic number.

It is not a de Polignac number, because 120121231333 - 2²¹ = 120119134181 is a prime.

It is a super-2 number, since 2×120121231333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121231033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683023 + ... + 840691.

It is an arithmetic number, because the mean of its divisors is an integer number (7767770220).

Almost surely, 2^120121231333 is an apocalyptic number.

It is an amenable number.

120121231333 is a deficient number, since it is larger than the sum of its proper divisors (4163092187).

120121231333 is a wasteful number, since it uses less digits than its factorization.

120121231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157956.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 120121231333 its reverse (333132121021), we get a palindrome (453253352354).

The spelling of 120121231333 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred thirty-three".