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12111230023120 = 245151390375289
BaseRepresentation
bin1011000000111101110110…
…0100000011010111010000
31120212211012102222201200101
42300033131210003113100
53041412244341214440
641431453335302144
72360002366424134
oct260173544032720
946784172881611
1012111230023120
11394a386677548
1214372a251a954
1369b112993607
142dc2882a93c4
15160092ed469a
hexb03dd9035d0

12111230023120 has 20 divisors (see below), whose sum is σ = 28158609803940. Its totient is φ = 4844492009216.

The previous prime is 12111230023103. The next prime is 12111230023153. The reversal of 12111230023120 is 2132003211121.

It can be written as a sum of positive squares in 2 ways, for example, as 7464239269776 + 4646990753344 = 2732076^2 + 2155688^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75695187565 + ... + 75695187724.

It is an arithmetic number, because the mean of its divisors is an integer number (1407930490197).

Almost surely, 212111230023120 is an apocalyptic number.

12111230023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111230023120 is an abundant number, since it is smaller than the sum of its proper divisors (16047379780820).

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

12111230023120 is a wasteful number, since it uses less digits than its factorization.

12111230023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151390375302 (or 151390375296 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12111230023120 its reverse (2132003211121), we get a palindrome (14243233234241).

The spelling of 12111230023120 in words is "twelve trillion, one hundred eleven billion, two hundred thirty million, twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 151390375289 302780750578 605561501156 756951876445 1211123002312 1513903752890 2422246004624 3027807505780 6055615011560 12111230023120