122200221012 has 24 divisors (see below), whose sum is σ = 292840170336. Its totient is φ = 39632503968.

The previous prime is 122200220993. The next prime is 122200221029. The reversal of 122200221012 is 210122002221.

It is a junction number, because it is equal to n+sod(n) for n = 122200220982 and 122200221000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137612418 + ... + 137613305.

It is an arithmetic number, because the mean of its divisors is an integer number (12201673764).

Almost surely, 2^122200221012 is an apocalyptic number.

122200221012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122200221012 is an abundant number, since it is smaller than the sum of its proper divisors (170639949324).

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

122200221012 is a wasteful number, since it uses less digits than its factorization.

122200221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275225767 (or 275225765 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122200221012 its reverse (210122002221), we get a palindrome (332322223233).

The spelling of 122200221012 in words is "one hundred twenty-two billion, two hundred million, two hundred twenty-one thousand, twelve".