122221432000 has 224 divisors, whose sum is σ = 327322135296. Its totient is φ = 45031424000.

The previous prime is 122221431989. The next prime is 122221432037. The reversal of 122221432000 is 234122221.

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, 6382440 + ... + 6401560.

Almost surely, 2^122221432000 is an apocalyptic number.

122221432000 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 122221432000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163661067648).

122221432000 is an abundant number, since it is smaller than the sum of its proper divisors (205100703296).

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

122221432000 is a wasteful number, since it uses less digits than its factorization.

122221432000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212 (or 19192 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 122221432000 its reverse (234122221), we get a palindrome (122455554221).

The spelling of 122221432000 in words is "one hundred twenty-two billion, two hundred twenty-one million, four hundred thirty-two thousand".