121000121332 has 24 divisors (see below), whose sum is σ = 224307699336. Its totient is φ = 56915432448.

The previous prime is 121000121327. The next prime is 121000121339. The reversal of 121000121332 is 233121000121.

It can be written as a sum of positive squares in 4 ways, for example, as 35030362896 + 85969758436 = 187164^2 + 293206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000121339) 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, 251553 + ... + 552520.

It is an arithmetic number, because the mean of its divisors is an integer number (9346154139).

Almost surely, 2^121000121332 is an apocalyptic number.

It is an amenable number.

121000121332 is a deficient number, since it is larger than the sum of its proper divisors (103307578004).

121000121332 is a wasteful number, since it uses less digits than its factorization.

121000121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806307 (or 806305 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121000121332 its reverse (233121000121), we get a palindrome (354121121453).

The spelling of 121000121332 in words is "one hundred twenty-one billion, one hundred twenty-one thousand, three hundred thirty-two".