121213001012222 has 16 divisors (see below), whose sum is σ = 210128476877280. Its totient is φ = 51364738791168.

The previous prime is 121213001012183. The next prime is 121213001012263. The reversal of 121213001012222 is 222210100312121.

It is a super-2 number, since 2×121213001012222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121213001012194 and 121213001012203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48640849883 + ... + 48640852374.

It is an arithmetic number, because the mean of its divisors is an integer number (13133029804830).

Almost surely, 2^{121213001012222} is an apocalyptic number.

121213001012222 is a deficient number, since it is larger than the sum of its proper divisors (88915475865058).

121213001012222 is an equidigital number, since it uses as much as digits as its factorization.

121213001012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97281702355.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121213001012222 its reverse (222210100312121), we get a palindrome (343423101324343).

The spelling of 121213001012222 in words is "one hundred twenty-one trillion, two hundred thirteen billion, one million, twelve thousand, two hundred twenty-two".