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12080223750 = 235471953457
BaseRepresentation
bin10110100000000100…
…11001011000000110
31011011220001221122110
423100002121120012
5144220014130000
65314413041450
7605234131140
oct132002313006
934156057573
1012080223750
115139a759a1
122411786286
1311a69729ba
14828541c90
154aa81a850
hex2d0099606

12080223750 has 320 divisors, whose sum is σ = 37086128640. Its totient is φ = 2560896000.

The previous prime is 12080223719. The next prime is 12080223763. The reversal of 12080223750 is 5732208021.

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 159 ways as a sum of consecutive naturals, for example, 26433522 + ... + 26433978.

It is an arithmetic number, because the mean of its divisors is an integer number (115894152).

Almost surely, 212080223750 is an apocalyptic number.

12080223750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12080223750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18543064320).

12080223750 is an abundant number, since it is smaller than the sum of its proper divisors (25005904890).

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

12080223750 is a wasteful number, since it uses less digits than its factorization.

12080223750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 12080223750 in words is "twelve billion, eighty million, two hundred twenty-three thousand, seven hundred fifty".