121223404322122 has 32 divisors (see below), whose sum is σ = 196286901350400. Its totient is φ = 55976332059648.

The previous prime is 121223404322101. The next prime is 121223404322123. The reversal of 121223404322122 is 221223404322121.

It is a super-2 number, since 2×121223404322122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121223404322123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86991223 + ... + 88373749.

It is an arithmetic number, because the mean of its divisors is an integer number (6133965667200).

Almost surely, 2^{121223404322122} is an apocalyptic number.

121223404322122 is a deficient number, since it is larger than the sum of its proper divisors (75063497028278).

121223404322122 is a wasteful number, since it uses less digits than its factorization.

121223404322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448310.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 121223404322122 its reverse (221223404322121), we get a palindrome (342446808644243).

Subtracting 121223404322122 from its reverse (221223404322121), we obtain a palindrome (99999999999999).

The spelling of 121223404322122 in words is "one hundred twenty-one trillion, two hundred twenty-three billion, four hundred four million, three hundred twenty-two thousand, one hundred twenty-two".