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12110012011020 = 223571110125952621
BaseRepresentation
bin1011000000111001010011…
…1101101101001000001100
31120212201001120002022012010
42300032110331231020030
53041402301033323040
641431132425141220
72356630246456350
oct260162475551014
946781046068163
1012110012011020
113949911088a80
12143700262a810
1369ac7a5337b1
142dc1b060b460
151600210dbe80
hexb0394f6d20c

12110012011020 has 192 divisors, whose sum is σ = 42693516536832. Its totient is φ = 2491451520000.

The previous prime is 12110012011007. The next prime is 12110012011037. The reversal of 12110012011020 is 2011021001121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12110012010987 and 12110012011005.

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, 12509691 + ... + 13442930.

It is an arithmetic number, because the mean of its divisors is an integer number (222362065296).

Almost surely, 212110012011020 is an apocalyptic number.

12110012011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110012011020 is an abundant number, since it is smaller than the sum of its proper divisors (30583504525812).

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

12110012011020 is a wasteful number, since it uses less digits than its factorization.

12110012011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25952752 (or 25952750 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12110012011020 its reverse (2011021001121), we get a palindrome (14121033012141).

The spelling of 12110012011020 in words is "twelve trillion, one hundred ten billion, twelve million, eleven thousand, twenty".