122211201200 has 120 divisors (see below), whose sum is σ = 322224376320. Its totient is φ = 44174060800.

The previous prime is 122211201173. The next prime is 122211201347. The reversal of 122211201200 is 2102112221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 651641 + ... + 817959.

It is an arithmetic number, because the mean of its divisors is an integer number (2685203136).

Almost surely, 2^122211201200 is an apocalyptic number.

122211201200 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 122211201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161112188160).

122211201200 is an abundant number, since it is smaller than the sum of its proper divisors (200013175120).

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

122211201200 is a wasteful number, since it uses less digits than its factorization.

122211201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166515 (or 166504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122211201200 its reverse (2102112221), we get a palindrome (124313313421).

The spelling of 122211201200 in words is "one hundred twenty-two billion, two hundred eleven million, two hundred one thousand, two hundred".