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2123224011200 = 26525366137879
BaseRepresentation
bin11110111001011010000…
…000110101000111000000
321111222102010120012101202
4132321122000311013000
5234241330321324300
64303221243120332
7306253320214025
oct36713200650700
97458363505352
102123224011200
117494aa669276
122a35b35130a8
131252b0676376
1474a9c07154c
153a36b025ad5
hex1ee5a0351c0

2123224011200 has 168 divisors, whose sum is σ = 5331226502880. Its totient is φ = 831982694400.

The previous prime is 2123224011191. The next prime is 2123224011239. The reversal of 2123224011200 is 21104223212.

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 23 ways as a sum of consecutive naturals, for example, 56033861 + ... + 56071739.

Almost surely, 22123224011200 is an apocalyptic number.

2123224011200 is a gapful number since it is divisible by the number (20) 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 2123224011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665613251440).

2123224011200 is an abundant number, since it is smaller than the sum of its proper divisors (3208002491680).

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

2123224011200 is a wasteful number, since it uses less digits than its factorization.

2123224011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38615 (or 38600 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2123224011200 its reverse (21104223212), we get a palindrome (2144328234412).

The spelling of 2123224011200 in words is "two trillion, one hundred twenty-three billion, two hundred twenty-four million, eleven thousand, two hundred".