122122122300 has 432 divisors, whose sum is σ = 408223705344. Its totient is φ = 30481920000.

The previous prime is 122122122277. The next prime is 122122122313. The reversal of 122122122300 is 3221221221.

122122122300 is a `hidden beast` number, since 1 + 221 + 2 + 212 + 230 + 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 an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 290076090 + ... + 290076510.

Almost surely, 2^122122122300 is an apocalyptic number.

122122122300 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 122122122300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204111852672).

122122122300 is an abundant number, since it is smaller than the sum of its proper divisors (286101583044).

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

122122122300 is a wasteful number, since it uses less digits than its factorization.

122122122300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 780 counting only the distinct ones).

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

Adding to 122122122300 its reverse (3221221221), we get a palindrome (125343343521).

The spelling of 122122122300 in words is "one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, three hundred".