121301011222200 has 144 divisors (see below), whose sum is σ = 407372381707200. Its totient is φ = 32346686016000.

The previous prime is 121301011222177. The next prime is 121301011222201. The reversal of 121301011222200 is 2222110103121.

121301011222200 is a `hidden beast` number, since 1 + 21 + 301 + 0 + 1 + 122 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301011222201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 425249625 + ... + 425534775.

Almost surely, 2^{121301011222200} is an apocalyptic number.

121301011222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121301011222200 is an abundant number, since it is smaller than the sum of its proper divisors (286071370485000).

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

121301011222200 is a wasteful number, since it uses less digits than its factorization.

121301011222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521502 (or 521490 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121301011222200 its reverse (2222110103121), we get a palindrome (123523121325321).

The spelling of 121301011222200 in words is "one hundred twenty-one trillion, three hundred one billion, eleven million, two hundred twenty-two thousand, two hundred".