121222320300 has 54 divisors (see below), whose sum is σ = 379964631228. Its totient is φ = 32325951840.

The previous prime is 121222320287. The next prime is 121222320379. The reversal of 121222320300 is 3023222121.

121222320300 is a `hidden beast` number, since 1 + 21 + 2 + 22 + 320 + 300 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67344834 + ... + 67346633.

Almost surely, 2^121222320300 is an apocalyptic number.

121222320300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222320300 is an abundant number, since it is smaller than the sum of its proper divisors (258742310928).

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

121222320300 is a wasteful number, since it uses less digits than its factorization.

121222320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134691487 (or 134691477 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121222320300 its reverse (3023222121), we get a palindrome (124245542421).

The spelling of 121222320300 in words is "one hundred twenty-one billion, two hundred twenty-two million, three hundred twenty thousand, three hundred".