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12120001112020 = 22541612513592689
BaseRepresentation
bin1011000001011110100001…
…0111000110011111010100
31120220122211201100012200211
42300113220113012133110
53042033230241041040
641435503542215204
72360432632435654
oct260275027063724
946818751305624
1012120001112020
11395307772944a
121438b2ba24504
1369bbacba6149
142dc87b134364
151604080458ea
hexb05e85c67d4

12120001112020 has 192 divisors, whose sum is σ = 26689816742400. Its totient is φ = 4619059200000.

The previous prime is 12120001112003. The next prime is 12120001112123. The reversal of 12120001112020 is 2021110002121.

12120001112020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4507250836 + ... + 4507253524.

It is an arithmetic number, because the mean of its divisors is an integer number (139009462200).

Almost surely, 212120001112020 is an apocalyptic number.

12120001112020 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 12120001112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13344908371200).

12120001112020 is an abundant number, since it is smaller than the sum of its proper divisors (14569815630380).

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

12120001112020 is a wasteful number, since it uses less digits than its factorization.

12120001112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3408 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120001112020 its reverse (2021110002121), we get a palindrome (14141111114141).

The spelling of 12120001112020 in words is "twelve trillion, one hundred twenty billion, one million, one hundred twelve thousand, twenty".