121231120032222 has 64 divisors (see below), whose sum is σ = 254074093977600. Its totient is φ = 38516077152000.

The previous prime is 121231120032221. The next prime is 121231120032299. The reversal of 121231120032222 is 222230021132121.

It is a junction number, because it is equal to n+sod(n) for n = 121231120032192 and 121231120032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121231120032221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3149779 + ... + 15886577.

It is an arithmetic number, because the mean of its divisors is an integer number (3969907718400).

Almost surely, 2^{121231120032222} is an apocalyptic number.

121231120032222 is an abundant number, since it is smaller than the sum of its proper divisors (132842973945378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121231120032222 is a wasteful number, since it uses less digits than its factorization.

121231120032222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737609.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121231120032222 its reverse (222230021132121), we get a palindrome (343461141164343).

The spelling of 121231120032222 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred twenty million, thirty-two thousand, two hundred twenty-two".