121302212231222 has 32 divisors (see below), whose sum is σ = 209042597836800. Its totient is φ = 52210155333600.

The previous prime is 121302212231209. The next prime is 121302212231237. The reversal of 121302212231222 is 222132212203121.

It is a super-2 number, since 2×121302212231222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121302212231191 and 121302212231200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69264854 + ... + 70994537.

It is an arithmetic number, because the mean of its divisors is an integer number (6532581182400).

Almost surely, 2^{121302212231222} is an apocalyptic number.

121302212231222 is a deficient number, since it is larger than the sum of its proper divisors (87740385605578).

121302212231222 is a wasteful number, since it uses less digits than its factorization.

121302212231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140261492.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121302212231222 its reverse (222132212203121), we get a palindrome (343434424434343).

The spelling of 121302212231222 in words is "one hundred twenty-one trillion, three hundred two billion, two hundred twelve million, two hundred thirty-one thousand, two hundred twenty-two".