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123020221130300 = 22521317294110494463
BaseRepresentation
bin11011111110001011100000…
…100101001010011000111100
3121010120121200201200011101102
4123332023200211022120330
5112111030403102132200
61113350413121232232
734624626522210014
oct3376134045123074
9533517621604342
10123020221130300
113621a64577441a
121196a187192678
1353849ac3a9520
1422542d3770c44
15e350892456d5
hex6fe2e094a63c

123020221130300 has 576 divisors, whose sum is σ = 322956704448000. Its totient is φ = 40222595481600.

The previous prime is 123020221130251. The next prime is 123020221130327. The reversal of 123020221130300 is 3031122020321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27564465869 + ... + 27564470331.

It is an arithmetic number, because the mean of its divisors is an integer number (560688723000).

Almost surely, 2123020221130300 is an apocalyptic number.

123020221130300 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 123020221130300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161478352224000).

123020221130300 is an abundant number, since it is smaller than the sum of its proper divisors (199936483317700).

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

123020221130300 is a wasteful number, since it uses less digits than its factorization.

123020221130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626 (or 5619 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123020221130300 its reverse (3031122020321), we get a palindrome (126051343150621).

The spelling of 123020221130300 in words is "one hundred twenty-three trillion, twenty billion, two hundred twenty-one million, one hundred thirty thousand, three hundred".