120132133221 has 32 divisors (see below), whose sum is σ = 167649315840. Its totient is φ = 76373120384.

The previous prime is 120132133181. The next prime is 120132133249. The reversal of 120132133221 is 122331231021.

It is a cyclic number.

It is not a de Polignac number, because 120132133221 - 2⁶ = 120132133157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120132133291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42613750 + ... + 42616568.

It is an arithmetic number, because the mean of its divisors is an integer number (5239041120).

Almost surely, 2^120132133221 is an apocalyptic number.

It is an amenable number.

120132133221 is a deficient number, since it is larger than the sum of its proper divisors (47517182619).

120132133221 is a wasteful number, since it uses less digits than its factorization.

120132133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120132133221 its reverse (122331231021), we get a palindrome (242463364242).

The spelling of 120132133221 in words is "one hundred twenty billion, one hundred thirty-two million, one hundred thirty-three thousand, two hundred twenty-one".