121212303230 has 16 divisors (see below), whose sum is σ = 221170943664. Its totient is φ = 47820744000.

The previous prime is 121212303229. The next prime is 121212303341. The reversal of 121212303230 is 32303212121.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83021396 + ... + 83022855.

It is an arithmetic number, because the mean of its divisors is an integer number (13823183979).

Almost surely, 2^121212303230 is an apocalyptic number.

121212303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121212303230 is a deficient number, since it is larger than the sum of its proper divisors (99958640434).

121212303230 is a wasteful number, since it uses less digits than its factorization.

121212303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166044331.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121212303230 its reverse (32303212121), we get a palindrome (153515515351).

The spelling of 121212303230 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred three thousand, two hundred thirty".