121340332028 has 12 divisors (see below), whose sum is σ = 214407189360. Its totient is φ = 60081135072.

The previous prime is 121340332027. The next prime is 121340332093. The reversal of 121340332028 is 820233043121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340332027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147257273 + ... + 147258096.

It is an arithmetic number, because the mean of its divisors is an integer number (17867265780).

Almost surely, 2^121340332028 is an apocalyptic number.

It is an amenable number.

121340332028 is a deficient number, since it is larger than the sum of its proper divisors (93066857332).

121340332028 is a wasteful number, since it uses less digits than its factorization.

121340332028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294515476 (or 294515474 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 121340332028 its reverse (820233043121), we get a palindrome (941573375149).

The spelling of 121340332028 in words is "one hundred twenty-one billion, three hundred forty million, three hundred thirty-two thousand, twenty-eight".