122230211240 has 128 divisors (see below), whose sum is σ = 289893427200. Its totient is φ = 46324776960.

The previous prime is 122230211239. The next prime is 122230211263. The reversal of 122230211240 is 42112032221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11361704 + ... + 11372456.

It is an arithmetic number, because the mean of its divisors is an integer number (2264792400).

Almost surely, 2^122230211240 is an apocalyptic number.

122230211240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122230211240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144946713600).

122230211240 is an abundant number, since it is smaller than the sum of its proper divisors (167663215960).

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

122230211240 is a wasteful number, since it uses less digits than its factorization.

122230211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987 (or 10983 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 122230211240 its reverse (42112032221), we get a palindrome (164342243461).

The spelling of 122230211240 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred eleven thousand, two hundred forty".