121213310330 has 32 divisors (see below), whose sum is σ = 249368730624. Its totient is φ = 41556243456.

The previous prime is 121213310279. The next prime is 121213310353. The reversal of 121213310330 is 33013312121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315034 + ... + 1404186.

It is an arithmetic number, because the mean of its divisors is an integer number (7792772832).

Almost surely, 2^121213310330 is an apocalyptic number.

121213310330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213310330 is an abundant number, since it is smaller than the sum of its proper divisors (128155420294).

121213310330 is a wasteful number, since it uses less digits than its factorization.

121213310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108590.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 121213310330 its reverse (33013312121), we get a palindrome (154226622451).

The spelling of 121213310330 in words is "one hundred twenty-one billion, two hundred thirteen million, three hundred ten thousand, three hundred thirty".