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12420234004000 = 255325116937307
BaseRepresentation
bin1011010010111100111110…
…1000101100011000100000
31121222100210110111101011211
42310233033220230120200
53111443114401112000
642225435435115504
72421221656060564
oct264571750543040
947870713441154
1012420234004000
113a59434333959
12148715b2a2b94
136c12b9037454
1430d1dd17b6a4
1516812ada97ba
hexb4bcfa2c620

12420234004000 has 192 divisors, whose sum is σ = 30660387069312. Its totient is φ = 4944700800000.

The previous prime is 12420234003967. The next prime is 12420234004021. The reversal of 12420234004000 is 40043202421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1699768347 + ... + 1699775653.

It is an arithmetic number, because the mean of its divisors is an integer number (159689515986).

Almost surely, 212420234004000 is an apocalyptic number.

12420234004000 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 12420234004000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15330193534656).

12420234004000 is an abundant number, since it is smaller than the sum of its proper divisors (18240153065312).

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

12420234004000 is a wasteful number, since it uses less digits than its factorization.

12420234004000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276 (or 9258 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12420234004000 its reverse (40043202421), we get a palindrome (12460277206421).

The spelling of 12420234004000 in words is "twelve trillion, four hundred twenty billion, two hundred thirty-four million, four thousand".