121023212230 has 16 divisors (see below), whose sum is σ = 217847794464. Its totient is φ = 48407948800.

The previous prime is 121023212221. The next prime is 121023212263. The reversal of 121023212230 is 32212320121.

It is a junction number, because it is equal to n+sod(n) for n = 121023212198 and 121023212207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267174 + ... + 559846.

It is an arithmetic number, because the mean of its divisors is an integer number (13615487154).

Almost surely, 2^121023212230 is an apocalyptic number.

121023212230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023212230 is a deficient number, since it is larger than the sum of its proper divisors (96824582234).

121023212230 is a wasteful number, since it uses less digits than its factorization.

121023212230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334031.

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

Adding to 121023212230 its reverse (32212320121), we get a palindrome (153235532351).

The spelling of 121023212230 in words is "one hundred twenty-one billion, twenty-three million, two hundred twelve thousand, two hundred thirty".