121213122230 has 16 divisors (see below), whose sum is σ = 219032588160. Its totient is φ = 48296589312.

The previous prime is 121213122197. The next prime is 121213122253. The reversal of 121213122230 is 32221312121.

It is a Curzon number.

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, 23579750 + ... + 23584889.

It is an arithmetic number, because the mean of its divisors is an integer number (13689536760).

Almost surely, 2^121213122230 is an apocalyptic number.

121213122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213122230 is a deficient number, since it is larger than the sum of its proper divisors (97819465930).

121213122230 is a wasteful number, since it uses less digits than its factorization.

121213122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47164903.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121213122230 its reverse (32221312121), we get a palindrome (153434434351).

The spelling of 121213122230 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred thirty".