121613244600 has 192 divisors, whose sum is σ = 383192259840. Its totient is φ = 31899750400.

The previous prime is 121613244593. The next prime is 121613244617. The reversal of 121613244600 is 6442316121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19891144 + ... + 19897256.

It is an arithmetic number, because the mean of its divisors is an integer number (1995793020).

Almost surely, 2^121613244600 is an apocalyptic number.

121613244600 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 121613244600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191596129920).

121613244600 is an abundant number, since it is smaller than the sum of its proper divisors (261579015240).

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

121613244600 is a wasteful number, since it uses less digits than its factorization.

121613244600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 121613244600 in words is "one hundred twenty-one billion, six hundred thirteen million, two hundred forty-four thousand, six hundred".