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112121220000010 = 25132651693252533
BaseRepresentation
bin11001011111100101000001…
…011111010110100100001010
3112200222200110121012122222011
4121133211001133112210022
5104143443224310000020
61034243435530050134
732421330232154434
oct3137450137264412
9480880417178864
10112121220000010
11327a8384772171
12106a9a1587994a
134a73ca76c7790
141d989a5b91654
15ce67e483235a
hex65f9417d690a

112121220000010 has 32 divisors (see below), whose sum is σ = 217343559076560. Its totient is φ = 41398435458048.

The previous prime is 112121219999981. The next prime is 112121220000017. The reversal of 112121220000010 is 10000022121211.

It can be written as a sum of positive squares in 8 ways, for example, as 93997698048081 + 18123521951929 = 9695241^2 + 4257173^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (112121220000017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32845704 + ... + 36098236.

Almost surely, 2112121220000010 is an apocalyptic number.

112121220000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121220000010 is a deficient number, since it is larger than the sum of its proper divisors (105222339076550).

112121220000010 is a wasteful number, since it uses less digits than its factorization.

112121220000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517722.

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

Adding to 112121220000010 its reverse (10000022121211), we get a palindrome (122121242121221).

The spelling of 112121220000010 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 13 26 65 130 265169 530338 1325845 2651690 3252533 3447197 6505066 6894394 16262665 17235985 32525330 34471970 42282929 84565858 211414645 422829290 862470923077 1724941846154 4312354615385 8624709230770 11212122000001 22424244000002 56060610000005 112121220000010