121012202200 has 96 divisors (see below), whose sum is σ = 286326160560. Its totient is φ = 47554560000.

The previous prime is 121012202191. The next prime is 121012202261. The reversal of 121012202200 is 2202210121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3736075 + ... + 3768325.

Almost surely, 2^121012202200 is an apocalyptic number.

121012202200 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 121012202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143163080280).

121012202200 is an abundant number, since it is smaller than the sum of its proper divisors (165313958360).

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

121012202200 is a wasteful number, since it uses less digits than its factorization.

121012202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32597 (or 32588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121012202200 its reverse (2202210121), we get a palindrome (123214412321).

The spelling of 121012202200 in words is "one hundred twenty-one billion, twelve million, two hundred two thousand, two hundred".