122121200010 has 32 divisors (see below), whose sum is σ = 293150649600. Its totient is φ = 32559012288.

The previous prime is 122121199999. The next prime is 122121200029. The reversal of 122121200010 is 10002121221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264610 + ... + 560589.

It is an arithmetic number, because the mean of its divisors is an integer number (9160957800).

Almost surely, 2^122121200010 is an apocalyptic number.

122121200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121200010 is an abundant number, since it is smaller than the sum of its proper divisors (171029449590).

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

122121200010 is a wasteful number, since it uses less digits than its factorization.

122121200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830142.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122121200010 its reverse (10002121221), we get a palindrome (132123321231).

The spelling of 122121200010 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred thousand, ten".