122222121300 has 54 divisors (see below), whose sum is σ = 383098451918. Its totient is φ = 32592565440.

The previous prime is 122222121283. The next prime is 122222121319. The reversal of 122222121300 is 3121222221.

122222121300 is a `hidden beast` number, since 1 + 22 + 222 + 121 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2342753604 + 119879367696 = 48402^2 + 346236^2 .

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

It is a congruent number.

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, 67900279 + ... + 67902078.

Almost surely, 2^122222121300 is an apocalyptic number.

122222121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222121300 is an abundant number, since it is smaller than the sum of its proper divisors (260876330618).

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

122222121300 is a wasteful number, since it uses less digits than its factorization.

122222121300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135802377 (or 135802367 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122222121300 its reverse (3121222221), we get a palindrome (125343343521).

The spelling of 122222121300 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, three hundred".