121230002222 has 24 divisors (see below), whose sum is σ = 211547597976. Its totient is φ = 51952371408.

The previous prime is 121230002221. The next prime is 121230002233. The reversal of 121230002222 is 222200032121.

It is a super-2 number, since 2×121230002222² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121230002222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230002221) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2044748 + ... + 2103200.

It is an arithmetic number, because the mean of its divisors is an integer number (8814483249).

Almost surely, 2^121230002222 is an apocalyptic number.

121230002222 is a deficient number, since it is larger than the sum of its proper divisors (90317595754).

121230002222 is a wasteful number, since it uses less digits than its factorization.

121230002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79632 (or 79625 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121230002222 its reverse (222200032121), we get a palindrome (343430034343).

The spelling of 121230002222 in words is "one hundred twenty-one billion, two hundred thirty million, two thousand, two hundred twenty-two".