121202223221300 has 72 divisors (see below), whose sum is σ = 284415543995352. Its totient is φ = 44565898752000.

The previous prime is 121202223221291. The next prime is 121202223221341. The reversal of 121202223221300 is 3122322202121.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 22867313592484 + 98334909628816 = 4781978^2 + 9916396^2 .

It is a congruent number.

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, 193115081 + ... + 193741680.

Almost surely, 2^{121202223221300} is an apocalyptic number.

121202223221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202223221300 is an abundant number, since it is smaller than the sum of its proper divisors (163213320774052).

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

121202223221300 is a wasteful number, since it uses less digits than its factorization.

121202223221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386857029 (or 386857022 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121202223221300 its reverse (3122322202121), we get a palindrome (124324545423421).

The spelling of 121202223221300 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred".