Search a number
-
+
12010080000 = 28354131191
BaseRepresentation
bin10110010111101101…
…10100011100000000
31011000000002021111210
423023312310130000
5144044040030000
65303425410120
7603422665332
oct131366643400
934000067453
1012010080000
115103416956
1223b2199940
131195283919
1481d0c3452
154a45b2350
hex2cbdb4700

12010080000 has 360 divisors, whose sum is σ = 40458249216. Its totient is φ = 3161600000.

The previous prime is 12010079941. The next prime is 12010080007. The reversal of 12010080000 is 8001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010080007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62879905 + ... + 62880095.

Almost surely, 212010080000 is an apocalyptic number.

12010080000 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 12010080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20229124608).

12010080000 is an abundant number, since it is smaller than the sum of its proper divisors (28448169216).

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

12010080000 is an equidigital number, since it uses as much as digits as its factorization.

12010080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010080000 its reverse (8001021), we get a palindrome (12018081021).

The spelling of 12010080000 in words is "twelve billion, ten million, eighty thousand".