121230212230 has 16 divisors (see below), whose sum is σ = 218218386960. Its totient is φ = 48491194912.

The previous prime is 121230212227. The next prime is 121230212273. The reversal of 121230212230 is 32212032121.

It is a junction number, because it is equal to n+sod(n) for n = 121230212198 and 121230212207.

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, 889812 + ... + 1016968.

It is an arithmetic number, because the mean of its divisors is an integer number (13638649185).

Almost surely, 2^121230212230 is an apocalyptic number.

121230212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230212230 is a deficient number, since it is larger than the sum of its proper divisors (96988174730).

121230212230 is a wasteful number, since it uses less digits than its factorization.

121230212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222503.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121230212230 its reverse (32212032121), we get a palindrome (153442244351).

The spelling of 121230212230 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred twelve thousand, two hundred thirty".