121342513330 has 64 divisors (see below), whose sum is σ = 236883945600. Its totient is φ = 44608734720.

The previous prime is 121342513309. The next prime is 121342513361. The reversal of 121342513330 is 33315243121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774361 + ... + 917779.

It is an arithmetic number, because the mean of its divisors is an integer number (3701311650).

Almost surely, 2^121342513330 is an apocalyptic number.

121342513330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121342513330 is a deficient number, since it is larger than the sum of its proper divisors (115541432270).

121342513330 is a wasteful number, since it uses less digits than its factorization.

121342513330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143579.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 121342513330 its reverse (33315243121), we get a palindrome (154657756451).

The spelling of 121342513330 in words is "one hundred twenty-one billion, three hundred forty-two million, five hundred thirteen thousand, three hundred thirty".