122447016900 has 432 divisors, whose sum is σ = 450365758080. Its totient is φ = 28365465600.

The previous prime is 122447016899. The next prime is 122447016907. The reversal of 122447016900 is 9610744221.

It is a happy number.

122447016900 is a `hidden beast` number, since 1 + 2 + 24 + 470 + 169 + 0 + 0 = 666.

It is a super-2 number, since 2×122447016900² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (122447016907) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10137865 + ... + 10149935.

Almost surely, 2^122447016900 is an apocalyptic number.

122447016900 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 122447016900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225182879040).

122447016900 is an abundant number, since it is smaller than the sum of its proper divisors (327918741180).

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

122447016900 is a wasteful number, since it uses less digits than its factorization.

122447016900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141 (or 12111 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 122447016900 in words is "one hundred twenty-two billion, four hundred forty-seven million, sixteen thousand, nine hundred".