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12100223040000 = 2935473172663
BaseRepresentation
bin1011000000010100110101…
…1111101111101000000000
31120211202210100102001101220
42300011031133233220000
53041222224044240000
641422433221355040
72356132543545264
oct260051537575000
946752710361356
1012100223040000
1139457484aa187
121435130268a80
1369a07a492654
142db9224dc0a4
1515eb4ba161a0
hexb014d7efa00

12100223040000 has 400 divisors, whose sum is σ = 40833835639872. Its totient is φ = 3182505984000.

The previous prime is 12100223039969. The next prime is 12100223040019. The reversal of 12100223040000 is 4032200121.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69993669 + ... + 70166331.

Almost surely, 212100223040000 is an apocalyptic number.

12100223040000 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 12100223040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20416917819936).

12100223040000 is an abundant number, since it is smaller than the sum of its proper divisors (28733612599872).

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

12100223040000 is an frugal number, since it uses more digits than its factorization.

12100223040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172777 (or 172746 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12100223040000 its reverse (4032200121), we get a palindrome (12104255240121).

The spelling of 12100223040000 in words is "twelve trillion, one hundred billion, two hundred twenty-three million, forty thousand".